Onimai

Read our latest posts covering the comedy/slice of life manga series Onimai: I'm Now Your Sister. This archive includes our review of the series and volume based coverage and impressions as we read it.

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Oniichan ha Oshimai Vol 8,9 - Mashiro's mother Matsuri is here?!

Mar 15, 2026

Volumes 8 and 9 of Oniichan wa Oshimai! (Onimai: I'm Now Your Sister!) actually surprised me by introducing a brand-new character out of the blue. For most of the series, we have s...

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Kaede seems like a gyaru, but she's more leaning on the homely girl to be honest. Makes a great combo with Mihari.

Mahiro has no way to resist the charm and power of Mihari. Well, Mihari's money mainly in this case...

Without context this looks like an incredible situation. I mean even with context it's not like it improves much right Mihari?

Mihari acts tough in front of Mahiro, but she's a deep brocon easy to become emotional. I wonder if she'll ever fully open to Mahiro.

The main duo is, of course, Mahiro and Mihari. The series wouldn't have existed without Mihari after all...

Oniichan ha Oshimai - Mihari is adorable, but Momiji's route is also...

Mar 10, 2026

Oniichan wa Oshimai! (Onimai: I'm Now Your Sister!) is a comedy and slice-of-life manga series written and illustrated by Nekotofu . With 10 volumes currently available, the series...