ONIMAI: I'm Now Your Sister!

By Nekotofu

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!

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StatusONGOING
Rating16+
Resources
Tags
Comedy
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8 Volumes

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8 Volumes
ONIMAI: I'm Now Your Sister!, Volume 1

Volume 1

Aug. 31, 2021 | 153 pages
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ONIMAI: I'm Now Your Sister!, Volume 2

Volume 2

Oct. 05, 2021 | 153 pages
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ONIMAI: I'm Now Your Sister!, Volume 3

Volume 3

Nov. 30, 2021 | 176 pages
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ONIMAI: I'm Now Your Sister!, Volume 4

Volume 4

Jan. 25, 2022 | 169 pages
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ONIMAI: I'm Now Your Sister!, Volume 5

Volume 5

Mar. 22, 2022 | 176 pages
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ONIMAI: I'm Now Your Sister!, Volume 6

Volume 6

Oct. 25, 2022 | 178 pages
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ONIMAI: I'm Now Your Sister!, Volume 7

Volume 7

Jul. 25, 2023 | 173 pages
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ONIMAI: I'm Now Your Sister!, Volume 8

Volume 8

Jun. 18, 2024 | 168 pages
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