Mahiro's Sleepover (Part 1)

Mahiro's Sleepover (Part 1) (ひろとガールズナイト（前編）, Mahiro To Gāruzunaito (Zenpen)) is Chapter 27 of Onimai: I'm Now Your Sister!. It was originally published on Pixiv on April 27, 2019.

Summary
Concerned that Mahiro might backslide during winter break, Mihari arranges a sleepover at their house with Momiji, Asahi, and Miyo.

Characters

 * Mahiro Oyama
 * Mihari Oyama
 * Momiji Hozuki
 * Asahi Ōka
 * Miyo Murosaki