Mahiro's Big Secret (Part 2)

Mahiro's Big Secret (Part 2) (まひろと大事な秘密（後編）, Mahiro To Daijina Himitsu (Kōhen)) is Chapter 40 of Onimai: I'm Now Your Sister!. It was originally published on Pixiv on May 24, 2020.

Summary
Nayuta reveals that she knows the truth about Mahiro

Characters

 * Mahiro Oyama
 * Mihari Oyama
 * Momiji Hozuki
 * Asahi Ōka
 * Miyo Murosaki
 * Nayuta Tenkawa
 * Mari