Mihari-chan in the Laboratory

Mihari-chan in the Laboratory (研究室のみはりちゃん, Kenkyūshitsu No Mihari-chan) is a spin-off doujinshi volume of Onimai: I'm Now Your Sister!. It was originally released on May 27, 2023.

Contents

 * A Story Where That Grows

Trivia

 * The exact designation of this doujinshi when it was released was hard to pin down, though according to Nekotofu in Onimai Side Reader: Mihari's Laboratory the chapter contained in this volume is meant as a sort-of spin-off from the main series that focuses on other characters that he hopes to create more of in the future.