Mission Day One: Exposure Under the Cherry Blossoms and Masturbation in the Lecture Hall
My eyes snapped open before the alarm could even go off. I checked my smartphone screen—6 AM. Normally I would have squeezed my eyes shut and hit snooze a few more times. But today was different. The missions the roulette had landed on last night kept spinning through my head.
“Post only real, unedited, non-AI photos for one week.”
“Masturbate at least four times a day for one week, with a minimum two-hour gap between sessions.”
“For one week, every time you take a normal photo for Instar or a messenger profile picture, also shoot an exposure shot of your breasts or pussy in the exact same location to post on Twitter.”
“For one week, masturbate in a different place every single time.”
I had to follow all four rules for an entire week. The odds had been one percent. It really had been one percent, yet the roulette arrow had stopped dead on that exact slice.
I got out of bed and looked out the window. It was still a dim, early dawn. My dormitory roommate was still sound asleep. My steps toward the shower room felt heavy. No—less heavy than strangely, electrically excited.
While showering, I felt the water cascade down my body. I stared at my reflection in the mirror. Wet hair clung to my shoulders. My D-cup breasts glistened with droplets. My waist was slim, my thighs firm. Even I had to admit it was a pretty good figure. I wasn’t clueless about why guys kept stealing glances.
“I’m insane…”
Even as I muttered it, my hand was already sliding over my breasts. No, not now. If I started now, I’d be counting from the very beginning of the day. I had to save it.
I turned off the water and dried myself with a towel. Back in the dorm room, I pulled out underwear from the drawer—plain beige bra and panties. Over them I put on a white short-sleeve tee and jeans. The shirt was tight; the outline of my chest showed clearly. It was the same clothes I always wore, yet today they felt completely different. Just imagining wearing them without a bra made heat bloom in my chest.
I did my makeup. Foundation, eyeliner, lipstick. I took more care than usual. Because I had to take photos. Photos for Instar… and photos for Twitter.
I slipped my tablet into my bag, along with a tripod and selfie stick. They were heavy, but necessary tools.
A little after seven I left the dormitory. The morning air was cold. There weren’t many people on campus yet—just a few joggers and students heading to part-time jobs.
On the way to the lecture hall, a single cherry blossom tree caught my eye. It was in full bloom. Morning sunlight slanted gently between the petals. A beautiful background. Perfect for an Instar photo.
I glanced around. A few students were walking in the distance, but no one was nearby.
I took my phone out of my bag and switched it to selfie mode. I fixed my hair, framed my upper body against the cherry blossoms. I took several shots. One looked like I was frowning, so I took more. I turned my head slightly. I parted my lips just a little.
I checked the screen. There was a good one. The cherry blossoms blurred softly in the background, morning light glowing on my face. A normal, pretty photo. Posting it on Instar with the caption “First week begins” would be perfect.
Then the next thought hit me. I also had to take the Twitter version. Right here. With this same background. While exposing my breasts or pussy.
My heart began to race. It was one of the roulette conditions: every time I took a normal photo for Instar or a messenger profile, I also had to shoot an exposure shot for Twitter in the exact same spot.
I scanned the area again. One student was walking on the far side of the path. I waited until they moved away. The moment they disappeared behind a building, I grabbed the hem of my shirt.
Slowly, carefully, I rolled the shirt upward. My stomach appeared. Then the beige bra that cupped my breasts. The fabric glowed white in the morning sun.
I tugged the bra down. My breasts bounced free. My nipples met the air. They were cold. No—they were burning. My heart felt like it would explode.
I held up the phone and took the photo in the same composition as before—upper body fully exposed against the cherry blossoms. I tried to keep my expression as close as possible to the earlier shots. I took several.
I checked the screen. The details were far too vivid to pass for AI or editing. It screamed “I took this myself.” The color of my nipples, the curve of my breasts, the texture of my skin—everything was too sharp. I couldn’t post it like this.
I checked my surroundings again. No one.
Boldly, I pulled the shirt all the way off. Then the bra. My upper body was completely naked. Morning air kissed my skin. My nipples stiffened instantly. My collarbones stood out, my neckline stretched long. Just the fact that I was standing naked under a cherry blossom tree made my breathing ragged.
I picked up the phone again. I applied a slightly stronger filter, making my figure look softer and brighter. I took several shots.
When I checked the screen, I finally had ones I liked. The filter softened my body a little, but the photo was still blatantly explicit. My breasts were completely bare. Yet somehow it almost looked artistic. At least better than a plain, clinical shot.
Then I saw a bus coming in the distance. My heart plummeted.
I left the bra where it was and quickly yanked my shirt back on. Luckily the bus stopped far away and didn’t pass near the tree. I snatched up the beige bra, stuffed it into my bag, and started walking fast—wearing nothing under the thin shirt. My breasts bounced heavily. Every time the fabric brushed my nipples, a shiver raced through me.
I headed for the lecture hall. My heart kept pounding the whole way. What the hell did I just do? I took a topless photo right beside the path. Someone could have seen me. No, no one saw. Right?
I reached the lecture hall. It was 7:30. Of course it was empty. The fluorescent lights cast a cold, sterile glow. Desks stood in neat rows, the blackboard completely erased.
I closed the door. There was a lock, but I didn’t use it. No—I couldn’t lock it. Locking it would feel like I might get caught. Leaving it unlocked felt far more dangerous, and that danger made me even wetter.
I thought about the masturbation mission. I had to do it in a different place every time. Dorm room, bathroom, lecture hall… the list already felt overwhelming. Twenty-eight different locations in one week. I couldn’t even imagine it. But I’d come this far. I had to do it. And the lecture hall was eventually going to be one of them anyway.
I walked to the center of the room. I set up the tripod, mounted my phone, and switched it to video recording. The red light began to blink.
I took off my jeans. Then my panties. Then my shirt. I was completely naked. Under the lecture hall’s fluorescent lights, my body glowed pale white—firm breasts, the curve of my waist, the dark patch of hair between my thighs.
“I’m crazy… I’m actually insane…”
Even as I whispered it, my hands were already moving to my chest. I touched my nipples. They were rock hard. I pinched and twisted them. A jolt shot down my spine.
One hand stayed on my breasts while the other slid between my thighs. I was already soaked. Just remembering the exposure under the cherry blossoms had been enough to arouse me completely. My finger brushed my clit. My breath caught.
What would Twitter people say if I uploaded this? A video of me masturbating completely naked in a lecture hall. Comments like “This bitch is nuts,” “She’s doing that at school?” and “What if she gets caught?” would flood in. Just imagining it made my body burn hotter.
I slid a finger inside myself. A wet sound echoed. Schlick, schlick. The noise filled the empty lecture hall. What if someone came in? What if the door opened and someone was standing there? The security guard, or another student who came in early. Would they see me? Naked, fingering my pussy?
“Mmm…”
A moan slipped out. I bit my lip. I wasn’t supposed to make noise. But the more I tried to stay quiet, the more excited I became.
I spread my thighs wider. I pushed my finger deeper. My inner walls clenched around it. I rocked my hips. The phone on the tripod kept recording—me, naked in the center of the lecture hall, masturbating shamelessly.
“Haah… ahh…”
I pinched my nipple hard. It hurt. And it felt so good. My other hand kept thrusting into my pussy. Juices dripped down. The insides of my thighs grew sticky.
What if someone walked in right now? The doorknob turning. Our eyes meeting. Them seeing my naked body, seeing exactly what I was doing. That shocked expression. Or worse—that mocking look. The kind that said, “Is this bitch out of her mind?”
“Ugh… mmh!”
The orgasm crashed over me. It was because of the danger. Because I could get caught. Because I was masturbating naked in a public lecture hall where anyone could walk in at any moment. My whole body shook. My vision went white. My pussy clamped down on my fingers like it was trying to bite them off.
The aftershocks lingered. I gasped for breath. Sweat beaded on my forehead. The space between my thighs was a slick mess.
I stopped the recording and checked the screen. My naked masturbation was captured in vivid detail. My face wasn’t fully visible, but the body was unmistakably mine. Should I upload this? No, it was too risky. The lecture hall was too clearly recognizable. It would scream that I’d shot it at school.
I picked up the phone and took a selfie. My face was flushed, eyes glazed, lips parted. I looked like a bitch in heat. The word floated up—bitch. The same words I’d seen on Twitter. “This slut,” “whore,” “cumdump.” Right now, I had become exactly that.
Since I was already naked, I walked up onto the podium where the professor usually stood. I set the tripod on it, mounted the phone, and set a ten-second timer.
I stepped back down to the center of the lecture hall. Naked. The timer began counting down.
I struck a pose—kneeling, ass raised high, chest pressed to the floor. The bitch pose. The phone flashed.
I reset the timer. This time I lay face-down and lifted my ass toward the camera, pussy on full display. Flash.
Another pose. Sitting on a chair with my legs spread wide, hands cupping my breasts. Flash.
I took shot after shot like that—naked in the center of the lecture hall, using the podium as a backdrop, striking one filthy bitch pose after another.
Before I knew it, it was past eight. When I checked my phone, I heard footsteps in the hallway. Someone was coming.
My mind snapped back to reality. My clothes were scattered across the floor—shirt, jeans, panties. I hadn’t put the bra back on after the cherry blossom tree.
I yanked on my panties, then the jeans, then the shirt. No time to button it properly. I just pulled it over my head.
The door opened.
It was the security guard. A middle-aged man in a worn uniform. Our eyes met. I thought my heart would stop. He had no idea what I’d just been doing—masturbating completely naked. Could he smell it? Was there still a wet spot on the floor?
He simply gave a small nod and left. I was relieved. No—I was disappointed. No, relieved. My heart was pounding so hard I thought it might burst.
The door closed. Only then could I breathe again. My legs were shaking. That had been so dangerous. I’d almost been caught. So why was I this turned on? My heart was still racing. My pussy felt like it was getting wet again.
I hurried to the bathroom. Inside, I looked in the mirror. My face was flushed. My hair was a mess. My shirt was crooked.
I went into the farthest stall, pulled down my panties, and wiped away the slickness with toilet paper. I put my panties back on, fished the beige bra out of my bag and fastened it, straightened my shirt, fixed my hair, and touched up my makeup.
I had safely completed my first masturbation of Monday and returned to looking like my normal self. The girl who had just been masturbating naked in the lecture hall was gone. Only ordinary university student Ji-soo remained.
I went back to the lecture hall and checked the photos I’d taken. There was the normal one in front of the cherry blossoms. I’d post it on Instar with the caption “First week begins.” Since I took it this morning, the timeline would match.
There were also the topless shots. Those I’d save for evening. I needed to give people time to wonder whether they were edited. Post them at the right time with the right caption.
The video from the lecture hall was too dangerous to upload. The location was too obvious. But among the photos I’d taken on the podium, there was one from behind—my naked back, face not visible. That one I could post. It didn’t scream “lecture hall.” It just looked like any indoor space. I’d post that one in the evening too.
As I organized the photos, a smile crept across my face. I really must be crazy. But I couldn’t stop. The roulette had spun, and I was walking straight toward wherever the arrow pointed. One week. Four masturbations a day. Every time in a different place. This morning in the lecture hall I had completed my first masturbation of Monday—and the first mission of the week. Three more to go today.
A little later my friends arrived.
“Ji-soo, you’re already here?”
It was Minji. She came in with a bright smile. Sua and Haeun followed right behind her.
“You came super early. What’s up with that?”
Sua asked, looking at me with curious eyes.
“I just woke up early. Wanted some fresh morning air.”
It was a lie. I hadn’t come early for fresh air. I’d come early to masturbate naked in the lecture hall. But I could never say that.
“The weather’s really nice today. The cherry blossoms are so pretty.”
Haeun said. Cherry blossoms. My heart lurched at the word. I had just taken a topless photo under that very tree.
“Yeah, they were really beautiful.”
I answered like it was nothing. Acting normal. Inside, my heart felt like it would explode. Everything I’d done that morning kept replaying in my head—exposing myself under the cherry blossoms, masturbating in the lecture hall, that heart-stopping moment with the security guard.
“Hey Ji-soo, you look different today. Is it your makeup?”
Minji asked. That girl was always so observant.
“Maybe I just look tired because it’s morning.”
“No, you look prettier. There’s like a glow to you.”
Sua chimed in. A glow. That was from the excitement. My face was flushed from what I’d done that morning. But I couldn’t explain that.
“Thanks. Maybe I just slept well.”
Another lie. It wasn’t from sleeping well. It was from being horny.
Even while chatting with my friends, my mind was somewhere else. I was already thinking about the rest of the day’s plan. Once at lunch, twice after five. That would make four. But where? The bathroom? The dorm? Another lecture hall? The library? I’d figure that out later.
“Ji-soo, what do you want for lunch today?”
“Hmm, should we do the cafeteria?”
“The cafeteria again? Wonder if they’ll have anything good.”
It was such an ordinary conversation. I was just an ordinary college student waiting for class with her friends. But inside I was anything but ordinary. I was the girl who had masturbated naked in the lecture hall that morning and taken an exposure shot under the cherry blossoms.
There was a sense of accomplishment. I had successfully completed today’s mission. And there was excitement—waiting for the next one. I really was a crazy bitch. But I didn’t want to stop.
The bell signaling the start of class rang. The professor walked in. My friends took their seats. I sat down too and turned on my tablet. But in my head I was still standing naked in the center of the lecture hall. I was still seeing the moment the security guard opened the door.
Today had truly begun. The mission had begun. At least four masturbations a day, each in a different location. I had already done one. Three more to go.
My heart was racing. Not from fear. From excitement. I really was a crazy bitch.
