Oniichan wa Oshimai! season 1 episode 8
Episode title: Mahiro's First Girls Sleepover
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.
