Because Himemiya Makoto and the others spent most of their time at home, and now they were about to move into Mu Xiaoxiao's place—having sex every night—they had plenty of time to enjoy and satisfy them.
So at school, Mu Xiaoxiao mostly focused on Yui-senpai. Though usually reserved, after these past days, Obata Yui craved that feeling more and more.
His breath. His touch. The impact that reached her bones. The satisfaction of being filled. She was addicted.
Obata Yui had become his.
She couldn't live without him.
What would happen when the hypnosis wore off? No matter what, with the Incubus Pattern marking her as his—
Escape was impossible.
But that was future talk.
The library really was a perfect spot. Besides Yui-senpai, Makoto and Anna had left their marks here too. No one came. Better than the secluded grove. Ideal.
The only witness was that librarian girl.
After Yui-senpai returned to her classroom, Mu Xiaoxiao sat resting. Craved a cigarette. His phone dinged—Makoto and the others calling.
He stretched and stood. Thought of Makoto, the others. Mrs. Natsumi and her daughter. Mrs. Mira...
'Wow. My life's getting colorful.'
Snap—
A girl stood before him. The librarian who'd been eavesdropping for days. Surprising. She seemed so timid.
Why confront him now?
"The library is sacred. How could you... do that here?"
"..."
He smirked. "You saw everything?"
"Ugh..." Red-faced.
"Not just saw. Listened for days, right?"
"I—I didn't!" She wanted to flee. Regretted coming. "You've been bothering me! Constantly!"
Her weak, gentle questioning wasn't intimidating at all.
Mu Xiaoxiao, an old hand, felt like teasing. "Sorry for the bother. But it's quiet here. Perfect for dates."
"..."
'That's not a date. That's...'
"Besides, no rule against it, right?"
'True...'
She lowered her head. "Makes sense but... still..."
"I'll try to avoid you next time. Be understanding. It's hard to keep a girlfriend these days."
"Are you really a couple?" She stared. "But the girls... they're all different."
"Name's Mu Xiaoxiao. First year, Class D. You're the librarian?"
"Serizawa Yukiha. First year, Class A. Librarian." She puffed her cheeks. "You didn't answer."
He spread his hands. "Different girls doesn't mean we're not couples, right?"
She tilted her head, confused.
"They're all my wives."
Serizawa: "..."
'Blunt enough?'
Shock registered on her face. Harem shock.
Dating multiple girls? That made him a scumbag, didn't it?
"Also, that girl earlier? She has a boyfriend."
"...Huh?"
"Yui-senpai. Dated him before me."
He dropped the bomb.
"Th-that's... stealing someone's girlfriend isn't right."
"Stealing? They barely dated. Never even kissed. She gave me everything without hesitation. That means I'm her true love. Choosing true love—what's wrong with that?"
Sounded reasonable. But also... not.
"So in front of her boyfriend, I declared she's mine. Ended that meaningless relationship. That day, watching him sob on his knees, I swore—if you fall in love, you must take everything."
"A reminder. Love in this world is dangerous. Serizawa, don't you think I did the right thing?"
"..."
She stared blankly. Tilted her head. "If he's the ex-boyfriend... then it's fine."
'This girl... sweet but clueless. Doesn't get it at all.'
"You're right."
He sighed.
She pouted, studying his expression. "Mu-kun, are you teasing me?"
"Never. Speaking of—do you have a boyfriend? Dating anyone? Still a virgin?"
Boom.
Crimson.
'What kind of question is that?!'
"I don't have a boyfriend! Not dating! Of course I'm still—why are you asking that!"
"Just curious. Anyone you like?"
"..."
Her expression said yes. Mu Xiaoxiao nodded. As expected.
He stepped forward, patted her shoulder. Spoke like a seasoned veteran.
"Serizawa, be careful with love. In this world, it's dangerous. Men can get hurt badly."
He remembered that poor guy. Devastated.
"Unless you're like me. Best if boys don't get involved. Take that advice from a senior."
"Oh... I do like someone, but..." She nodded. "I understand, Mu-kun. Thank you."
'Good. She remembers.'
'Maybe confusing. Hard to follow. But... he seems like a good person.'
Serizawa Yukiha thought so.