ONIMAI - I'm Now Your Sister! — Chapter 1

14 pages, from MangaDex, released Oct 5, 2026.

Volume 1

Description

Mahiro Oyama was just a normal erotic-game loving dude…until he woke up one morning as a woman! Turns out his mad-scientist little sister, Mihari, tried out one of her new experiments on him…with a disastrous outcome, as far as Mahiro’s concerned! But Mihari is as determined to study him as he is determined to go back to his shut-in, game-playing life, and one thing’s for sure…life is going to get a whole lot weirder from here on out!

Chapters (251)

Chapter 24.5 - Volume 3Vol. 3
Step 24Vol. 3
Step 23Vol. 3
Chapter 22.5Vol. 3
Step 22Vol. 3
Chapter 21.7 - Volume 3Vol. 3
Chapter 21.6 - Volume 3Vol. 3
Chapter 21.5 - Volume 3Vol. 3
Step 21Vol. 3
Chapter 20.9Vol. 2
Chapter 20.6 - Volume 2Vol. 2
Chapter 20.5 - Volume 2Vol. 2
Step 20Vol. 2
Step 19Vol. 2
Chapter 18.99: Omnibus 4-5-6 ExtrasVol. 2
Chapter 18.5: Part 1: Mahiro and a "Comrade's" Return & Part 2: Mahiro and PermsVol. 2
Step 18Vol. 2
Step 17Vol. 2
Step 16Vol. 2
Chapter 15.5 - Volume 2Vol. 2
Step 15Vol. 2
Step 14Vol. 2
Chapter 13Vol. 2
Chapter 13Vol. 0
Chapter 12.5 - Volume 2Vol. 2
Chapter 12Vol. 2
Chapter 12Vol. 0
Chapter 11Vol. 2
Chapter 11Vol. 0
Chapter 10.99: Omnibus 1-2-3 ExtrasVol. 1
Chapter 10.9: Chapter 1-10 Mini ExtrasVol. 1
Chapter 10.6 - Volume 1Vol. 1
Chapter 10.5 - Volume 1Vol. 1
Step 10Vol. 1
Chapter 9.5 - Volume 1Vol. 1
Step 9Vol. 1
Chapter 8.5 - Volume 1Vol. 1
Step 8Vol. 1
Step 7Vol. 1
Chapter 6.5 - Volume 1Vol. 1
Step 6Vol. 1
Chapter 5.5 - Volume 1Vol. 1
Step 5Vol. 1
Step 4Vol. 1
Step 3Vol. 1
Step 2Vol. 1
Chapter 1.5 - Volume 1Vol. 1
Chapter 1Vol. 1
Chapter 56.5.2 - Volume 6Vol. 6
Chapter 34.5.3 - Volume 4Vol. 4
Chapter 18.5.2 - Volume 2Vol. 2

ONIMAI - I'm Now Your Sister! — Chapter 1

Description

Chapters (251)

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