Chapter 4: Hero Association
Chapter 4: Hero Association
‘Damn it, why isn't she answering?’
Do Min-jeong lived with her family. Her dad, her mom, and her twin brother.
Do Min-jae, who occupied the role of that twin brother, scratched his head in front of Min-jeong’s door. No matter how many times he knocked, she wouldn't open up.
‘I need to take out the trash.’
Min-jae was in charge of the trash this week. Since today was pickup day, he was busy gathering all the waste in the house to throw it out.
It was still morning, so there was plenty of time, but today was an exception. Min-jae had plans and needed to leave right after breakfast, so he wanted to deal with the trash quickly.
He’d bagged everything else; the only thing left was the bin in Min-jeong’s room. Once he handled that, he could head out.
“…Hey, can I come in?”
Min-jae felt a wave of irritation at this awkward situation. Honestly, if it had been six months ago, he would have walked right in without a second thought. But now, he simply couldn't.
It was a confusing turn of events for Min-jeong, of course, but it was just as jarring for the rest of the family. Their son had become a daughter; his twin brother had become his twin sister.
Still, he tried to tell himself it was no big deal. As someone who never had a sister, Min-jae had worried a lot about a girl his age suddenly living in the house, but at the end of the day, they were family.
Since the TS was a secret they couldn't reveal, he’d told his friends a cover story about living with a twin sister he’d been separated from since childhood. Their advice was all pretty much the same.
A sister is just a sister. You won't even see her as a woman.
‘Like hell….’
The advice from friends with actual sisters turned out to be unreliable. The testimonies of those who had lived with a female sibling for nearly twenty years were far too different from Min-jae’s situation.
Even though he knew the person inside was the same, he found himself paying more attention to her conduct around the house and how he treated her. Not walking around in just his underwear or knocking cautiously like this were prime examples.
This was despite the fact that Min-jeong herself treated her brother with the exact same attitude as before—almost excessively so.
‘No, I told myself to call her "Noona" even in my head. I can't afford a slip of the tongue in public.’
Min-jae sighed and gripped the doorknob. He used to fling this door open all the time; he felt like an idiot being unable to open it just because his sister was inside.
‘It’s not like I’m doing anything weird. I’m just getting the trash.’
Rationalizing it that way, Min-jae opened the door. The fact that she hadn't come out despite his knocking meant she was fast asleep. He just had to go in quietly, empty the bin, and leave without waking her.
Creeak—
However, the inside of the room was quite different from what Min-jae had imagined.
Visually, nothing had changed. To the eye, Min-jeong’s room looked the same as always.
There were no pretty decorations or feminine trinkets to be found. Instead, the room was filled with an unnervingly high-performance computer and multiple monitors. No one would believe this was a girl’s room.
But that wasn't what mattered right now. This room was reporting the massive event of last night in vivid detail—not to Min-jae’s eyes, but to his nose.
“What is… this smell…?”
Startled, he let the words slip out, forgetting he wasn't supposed to wake her.
It was a scent that felt familiar yet addictive. Before he could stride over to open the window and ventilate the room, he decided to investigate the source of the smell a bit further.
It was sour, but not exactly unpleasant. In fact, it felt almost alluring. However, the air that had been trapped in the sealed room for hours felt damp and thick.
“…Ah!”
Soon, he realized the source of the déjà vu. He couldn't remember exactly when, but it was a smell he’d encountered when he visited a girlfriend’s room.
His girlfriend had acted embarrassed, pretending she didn't know what the smell was, but Min-jae knew.
‘She masturbated….’
The smell wasn't the only evidence. Though they had dried quickly, there were marks on the computer chair’s seat as if water had been spilled. And the trash can was overflowing with crumpled tissues.
Min-jae felt a reaction in his lower body. It was as if he were possessed; his mind grew hazy, and he almost forgot why he’d come into the room in the first place.
He didn't have the right word for it. If he’d been a bit more knowledgeable in lewd matters, he wouldn't have hesitated to call this the "female scent."
“Ahem…!”
Snapping back to his senses, he let out a dry cough and moved. He resolved to empty the bin and get out quickly.
He knew Min-jeong had masturbated, but that didn't change anything. She wasn't a child; she was an adult woman. Masturbation was perfectly normal. Since they were twins, he was also an adult this year, and he had no intention of teasing her about it.
He just wondered exactly how many hours she’d spent enjoying herself last night. The female scent wouldn't be this thick unless she’d been at it for a very long time.
Rustle—!
The tissues all gave off that heavy female scent. Even though he knew what was on them was pussy juice, Min-jae squeezed his eyes shut. It was also to avoid looking toward the bed where his sister lay.
Suppressing the urge to grab a single tissue and take a deep breath, he finally finished the task.
“Whew….”
However, the used tissues weren't just piled in the trash can. Several were crumpled haphazardly on the bed around Min-jeong’s body.
Normally, Min-jae wouldn't need to clean those up. That fell under room cleaning, which was the owner’s responsibility.
But before he knew it, Min-jae was approaching the bed to pick up those tissues as well. Perhaps he was lured by the female scent that grew stronger the closer he got to Min-jeong, like a bee drawn to honey.
“Haa, haa….”
Min-jae slowly picked up the remaining tissues and put them in the bag, capturing the sight of Min-jeong and her surroundings in his mind like a snapshot.

The bedsheets were damp with an unidentified liquid. Her panties were hooked around one leg. Her phone was dead. A box of tissues sat within arm's reach.
Min-jeong lay there with her chest—which looked like it would bounce painfully even if she just walked—covered by a single white T-shirt. Her legs were spread loosely, revealing a place that should never be shown to a stranger.
He didn't have the composure to tell himself it was "safe" because he wasn't a stranger. Min-jae instinctively knew: this was dangerous.
“Mmm….”
Just as he tried to look away and readjusted his position because his bulging crotch was bothering him, Min-jeong opened her eyes.
“Min-jae…?”
“Uh, yeah.”
“I’ll wash the sheets myself….”
No, the sheets aren't the problem right now.
“Ah… okay.”
Her voice was thick with sleep, but it was enough to bring Min-jae back to his senses.
Leaving Min-jeong as she drifted back to sleep, he scrambled out of the room. Instead of heading straight outside with the trash bag, he went into his own room and locked the door.
‘"A sister is just a sister," my ass….’
Not long after, two more tissues were added to the trash bag.
*
“Yaaaawn….”
Even for a hero with superhuman strength, sleep is vital. But because I’d only slept two hours last night, I was in a total daze.
“Hero Floss, we have arrived at the Association.”
“Mmm… thank you….”
I wiped away a bit of drool and stepped out of the car. Once you reach A-rank, the Association provides a car service, which was a perk I quite liked since it let me catch a few winks.
“Oh, it’s Floss!”
“It’s the Magical Girl!”
“Hey, please wave just once!”
Blinking my sleepy eyes, I responded to the fans' cheers. I wasn't sure if they were reporters or fans, but whatever.
“…Hng.”
However, the moment I thought of the word "fans," I felt a sudden tugging sensation in my lower abdomen. I didn't even have to guess to know the cause.
‘Do people like that… also masturbate to my lewd pics behind my back…?’
Once my thoughts drifted in that direction, my body reacted automatically. I remembered the ecstasy of last night. The "Female Hero Gallery Back Alley" where people sexually harassed and humiliated me.
‘What do I do now?’
The thought suddenly occurred to me.
I might have been fine when I was ignorant, but now that I knew, things could never be the same. And it wasn't just the existence of the Back Alley I’d discovered—it was my own "fetish."
A hero who enjoys being defeated, submitting, and being humiliated can no longer truly function as a hero. That was an obvious fact.
So, I had two choices.
I could treat last night’s pleasure as just a dream, a temporary lapse caused by stress, and continue to play the role of "Magical Girl Floss" as usual.
Or, I could accept this side of myself and continue my hero activities, but occasionally satisfy my urges by staging "defeats" at the hands of villains or monsters.
‘Well, once or twice every now and then….’
It didn't take long to decide.
It’s not like I’m saying I want to sleep with a man. Staging a situation where I’m defeated and humiliated by a villain is basically just a very elaborate form of masturbation.
‘No, it’s more than that. I’ll have to prepare very carefully.’
I’ll have to play the role of a steadfast female hero who is violated without being able to resist at all. I’ll have to thoroughly deceive not just the villains, but the spectators and other heroes as well.
By the time my thoughts reached that point, I was already on my phone, scrolling through the list of wanted villains.
‘Is there anyone suitable in here?’
I needed to pick someone I could take down with one hand if I actually tried, but who knew how to torment a woman. If I narrowed the scope to those with powers that were subtly erotic….
“Hey.”
“…….”
“What are you looking at so intently? The villain list?”
Just then, someone approached from behind and tapped my shoulder.
I was annoyed that my focus was interrupted, but I didn't let it show. If someone was comfortable enough to approach me like this, it meant they were either a fellow hero or a high-ranking official.
“You just finished a mission yesterday, and you’re already worrying about who to catch next? You really are diligent.”
“Um, who are you?”
“Don't you recognize my voice?”
I turned around to see a man with pale skin, as if he didn't get much sun. He had neat black hair and a solid, muscular build visible beneath his clothes. He was very tall—it felt like there was a two-head height difference between us.
‘All that talk about "heart-fluttering height differences" is bullshit. It just makes my neck hurt.’
The sorrow of becoming shorter after turning into a woman almost flared up, but I focused back on the man in front of me.
“Do you know me?”
“It’s our first time meeting in person. Nice to meet you.”
“…Huh? Sorry, but I don't recognize your face.”
“That’s cold, considering we were in contact just yesterday.”
The man offered me his large hand with a smirk.
“Good to see you, Floss. I’m the Operator.”