As someone who currently relates to your situation, this is hilarious.

“Over there!” Ui pointed towards the SS-rated Lily, so named for the spider lilies that decorated her ornate mask.

She was surprisingly small, but powerful. A good lesson for the Squad Zero kids. So long as Ui, Hairu, and Hirako could keep them alive.

Hirako swiped around the corner, trapping the Lily’s escape.

She backflipped over a railing and soared down the stairs. Hairu and the kids followed without a second thought.

“Be careful!” Ui yelled.

At the end of the stairs, the Lily bent over and gasped slightly.

She barely had time to dodge Hairu’s swing, before falling into Yusa’s sword quinque.

“Ack,” she gasped, collapsing to the floor.

Hairu eyed her with suspicion. She’s calling bullshit. There’s no way an SS ghoul would go down that easily.

“Don’t take your quinques off her,” she orders.

“Kid, I’ve had period cramps worse than this,” laughs the Lily.

“What’s that?” Shio is confused.

“Does CCG teach you nothing, kid?” She moans as her stomach begins to heal.

“Not now!” Hairu knocks the kids out of the way as the Lily uses her ukaku to soar to a window far above them. 

“Gotta thank you. You’ve given my muscles something else to think about besides their lack of pregnancy,” mocks the ghoul before vanishing.   

“Huh?” Ui and Hirako finally reach them. 

Despite the ghoul’s apparent escape, Hairu looks amused. Rikai looks embarrassed, and Shio and Yusa just look confused. 

“She escaped?”

“We have bigger problems,” Hairu said. 

“Is this something about puberty?” Shio looks to the adults.

Ui squeaks as Hairu nods. 

“What did she say?” Hirako asks, already planning on forcing Arima to answer it later.