The Frost Witch's Shameful Secret

Clause 21. If the above terms are violated, Party B shall immediately commit suicide.

This meant my entire semester was fucked.

"I'm gonna lose my mind."

A curse slipped out on its own. I hurled the mouse across the room and clutched my head. Han Si-hun. Age 23. A dirt-poor reservist returning to school after discharge. If I missed the scholarship next semester, I'd be jumping into day labor gigs starting next month. The reason was simple. Missing the makeup assignment for the midterm. The task the professor assigned was murderously difficult.

Luna von Adelheit. Head of the Magic Department and the federation's one and only 0-grade Archmage. Also infamous for treating grad students like disposable tools—the Frost Witch. ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠She was my supervising professor.

"Gotta beg."

Pride? That's a luxury you save for when your bank account has a balance. I threw on some clothes in a hurry.

11 p.m. The lab light should still be on. Witches don't sleep, after all.

Main building, 4th floor, in front of the department head's office. The hallway was dead silent, like a morgue. Normally, you'd hear the zombie-like shuffling of grad students, but it was weirdly quiet.

Did she clock out?

Faint light leaked from the door crack. Good. She's still here. I straightened my clothes and took a deep breath.

Knock knock.

My hand froze mid-air.

"Hic... ugh...! Ahhng...!♡"

A weird noise came from inside. A scream? No. That was a moan. A sticky, sloppy one.

What the hell.

Was she banging someone in the lab? That foul-tempered Luna? Unimaginable. She's a germaphobe who looks at humans like bugs.

Curiosity beat out fear. Like a moth to flame, I peeked through the crack.

"......"

And I froze solid.

The lab scene shattered all common sense. On a mountain of piled-up research papers. A silver-haired beauty crawled atop the desk. Luna von Adelheit.

Her suit blouse and skirt lay crumpled on the floor. Her stockings were shredded to hell, ladders everywhere. The problem was her neck. A black leather dog collar was buckled on. The leash end was taut, tied to thin air.

"Master... I did wrong...."

She begged at empty space. Like she was being abused by an invisible man.

"Luna's... sniff, a bad girl...."

Slap! She smacked her own cheek.

"Punish me... please step on me...."

"......"

I couldn't believe my eyes. That was the Frost Witch? The elf who made a face like she'd chewed a bug just from a student's question?

Luna lifted her ass with ecstatic eyes. As she spread her cheeks and reached for her hole with her fingers.

Screeech.

The old hinges screamed. I'd leaned too hard.

"......!"

Luna froze. She slowly turned her head. Her dilated wine-red eyes locked with mine in the air.

Silence. Suffocating quiet.

One second. Two seconds.

I'm dead.

My instincts screamed. I'd seen a 0-grade Archmage's dirty secret. Grades weren't the issue anymore. I'd get banished to another dimension where no one would find me, or freeze-dried alive.

‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠

"I-I didn't see anything."

I backed away. Had to run.

"...You saw?"

Luna's voice echoed. Icy cold. The air around dropped below freezing.

"No. I didn't see a thing. For real."

"Liar."

Bang! The door flew open on its own. Invisible hands grabbed my collar. I was dragged helpless into the lab.

Click. The door locked behind me. A barrier went up. Isolated. Sealed off.

"P-Professor. C-calm down first...."

I raised both hands and retreated. Luna stepped down from the desk. Collar still on. She staggered toward me. Her eyes were crazed. Unfocused, cloudy gaze.

Evidence disposal. The thought rampaged in my head.

"Spare me. I'll keep the secret. I'll drop out. N-no! I'll vanish into the mountains forever and stay quiet...!"

I babbled whatever came to mind. She closed in until her nose nearly touched mine. A cold hand gripped my pant leg.

And.

Thud.

She dropped to her knees at my feet.

"Wha...?"

Brain freeze from the plot derailment. Luna buried her face near my zipper. Hot breath seeped through.

"You saw, right?"

"......"

"You saw my disgrace? Saw me shaking my ass like a bitch in heat?"

She looked up. Tear-streaked face. Far from murderous. More like...

"Take responsibility."

...parched desperation.

"What do you—"

"You caught me, so take responsibility. You saw, so now I'm yours."

Luna forced my hand to her leash. The leather was slick with her fluids.

"Master."

She whispered, licking at my shoes.

"I don't want an F... take care of me. Please."

I couldn't process it. The federation's top magic authority, naked on her belly before me. Her leash in my hand, drooling on my shoes while panting.

One thing was clear. This woman was out of her mind.

"Professor. Get up first."

"No."

"At least put on some clothes."

"Master didn't tell me to."

Luna rubbed her face on my calf. Glossy elf skin felt vivid even through my pants.

"And I'm not 'Professor'."

"Huh?"

"I'm Luna. Or call me Mung-Mung."

She was completely gone. Sweat beaded on me as I grabbed the doorknob. Locked tight. Barrier solid.

"Drop the barrier. I won't report you."

"Can't trust you."

Luna shook her head. Sticky gaze through tangled silver hair.

"You'll run. Abandon me."

"No, I have classes too..."

"Then contract."

She staggered up. Stark naked, no shame. Thrusting out her chest like showing off.

Honestly, her body's insane. Violent tits, cinched waist. Wide hips in impossible curves. Centuries-old elf, but maintained like a goddess.

But no time to admire.

"What contract?"

"Mana contract. Soul bondage."

Luna rummaged a desk drawer and pulled out parchment. A flick of her hand, and dense red text bloomed.

"What's this?"

"Labor contract."

I skimmed it. And doubted my eyes.

"......"

The last clause jumped out amid the insane terms. Suicide? Suicide?

"Professor. That last clause is weird."

"It's not."

Luna snatched the pen from my hand. Hers trembled.

"Without you, I'll die. For real."

"No, wait—"

"So sign. Quick. Want an F or straight expulsion? Or play with me and make bank?"

Both options sucked. But the first was certain life-ruiner. The second... uncertain hell. Hourly 500k. Tuition-free school. Plus leverage over this psycho prof.

Just grit teeth for a few months. Save up and bolt. Suicide's just a threat.

"Haa... fine."

I signed in resignation. Parchment burned to light specks. Mana contract sealed.

"Done? Open the door."

I sighed. But Luna didn't move. Instead, she hauled a huge bag from the ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠desk corner. Zipper open, contents spilled.

Adult diapers. Pacifiers. Bottles. Whips, ropes, candles, etc.

"What the hell is this."

"Work tools."

Luna grabbed a diaper and lay on the floor. Legs splayed M-wide. Most private spot exposed raw.

"Put it on me."

"...Pardon?"

"Gotta pee bad. No diaper, I'll just go."

"Use the bathroom, please!"

"No! Master has to catch it!"

Luna thrashed like a five-year-old. For real. Stomping tantrum.

"Waaah! Gonna pee! Coming out! Now!"

Urine dribbled out. I snatched the diaper in panic. If it hits floor, cleanup's on me.

"Okay! Okay, just stay still!"

I jammed it under her waist frantically. Warm wetness hit my hand.

Shame? Disgust? No time.

"Hehe...."

Diapered, Luna grinned like an idiot. She hugged my arm, burying her face in my chest.

"Warm...."

0-grade Archmage. Department head. Next president candidate. This powerhouse happily wetting herself in my arms.

"Master."

"What...?"

"Milk time now."

She gaped her mouth.

"No milk... I'll blow up the lab."

Frost bloomed at her fingertips. No joke. She meant it.

Trembling, I undid my pants.

Damn it.

"Ughhh...."

Morning sun stabbed my eyes. I ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠woke on the lab sofa. Back killing me. No sleep—changing diapers, feeding bottles, soothing whines all night.

"Mmm...."

Something heavy squirmed on my gut. Luna. Koala-clinging, pacifier in mouth, clutching my shirt.

Gotta get to class.

8:30 a.m. Major required lecture at 9. Problem: prof was this woman on me.

"Wake up."

I pinched her cheek. Squishy.

"Ugh... nooo... sleep more...."

"You have class. Department head canceling?"

"Dunno... Master do it...."

She burrowed deeper. She'd sleep forever like this. Drastic measures.

Smack! Firm ass slap.

"Ahhht♡!"

Luna bolted up. Sleepy eyes wide. Cheeks flushed.

"Master... punishment first thing?"

"Wash up, dress. Out in 10 or contract's void."

"Okay! Okay! Don't toss me!"

"Contract void" sent her sprinting to the bathroom. I sighed, cleaning scattered diapers. Trash bin overflowed. Disposal's a chore.

Lecture hall A-401. Front rows packed. Not for her teaching—guys brown-nosing to dodge F's.

I hunkered in the back. Dead tired.

"Attention."

9 a.m. sharp. Luna entered. Perfect. Crisp suit skirt. Impeccable silver hair. Intellectual chill in her eyes. Hard to believe this was the woman who pissed herself in my arms yesterday.

"Today's lecture: mana saturation overload and reflux."

Ice voice. Students glanced warily, started notes. I fought sleep, pen up.

Then. Our eyes met on the podium.

Twitch.

Wine eyes shook. Flat lips twitched.

No way...

Bad vibe. Luna's chalk hand trembled. Her gaze scanned my face. Slowly down: neck, chest, gut... crotch.

Crack. Chalk snapped.

A voice echoed in my head. Telepathy. Basic for a 0-grade mage.

Class time. Focus.