"If I think about it, I’ve known Ononoki Yotsugi for a long time." Assistant lecturer Iesumi gives advice to Aragari Koyomi, whom Oyukura Sodachi has declared an expert in child abuse. She hadn’t been home for three days after locking her child in a cage. And now, for some reason, Araragi is rushing to the crime scene together with Ononoki Yotsugi—but what will he find there? (c)