Elegant Yokai Apartment Life Vol. 13 (Kodansha, 2019)

Preparations for the third-year sendoff are hot underway! Tashiro and the other members of the student council manage to convince (coerce) Chiaki-sensei to sing on stage, but on one condition. Just what sort of show could he have planned? Meanwhile, Yushi gets a peek into Chiaki-sensei's trouble-filled teaching history, while back at the apartment, he finds himself the object of affection of a mysterious egg Mariko-san brings home from work?!