ONIMAI: I'm Now Your Sister!

Mahiro's First Girls Sleepover (1x8)

Air date: Feb 23, 2023

It's finally winter break and Mahiro is excited to get into his Winter Vacation Mode. Unbeknownst to him, however, Mihari invites Momiji and the others over for a sleepover. She hopes this will prevent a potential relapse into his old, shut-in ways.