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12 Episodes
S1 E1 - Mahiro's Confusing New Body
S1 E2 - Mahiro's Time of the Month
S1 E3 - Mahiro's Close Encounter
S1 E4 - Mahiro's New Friend
S1 E5 - Mahiro Discovers Adventure and Social Gatherings
S1 E6 - Mahiro Goes Back to Middle School
S1 E7 - Mahiro's Role-Playing Game
S1 E8 - Mahiro's First Girls Sleepover
S1 E9 - Mahiro Rings in the New Year
S1 E10 - Mahiro Ponders Boobs and Identity
S1 E11 - Mahiro Pretties Up
S1 E12 - Mahiro's Future as a Sister
Streaming, rent, or buy Onimai: I'm Now Your Sister! – Season 1:
Currently you are able to watch "Onimai: I'm Now Your Sister! - Season 1" streaming on Crunchyroll Amazon Channel, Crunchyroll.
Where can I watch Onimai: I'm Now Your Sister! for free?
There are no options to watch Onimai: I'm Now Your Sister! for free online today in Canada. You can select 'Free' and hit the notification bell to be notified when season is available to watch for free on streaming services and TV.
Synopsis
A lazy gamer who hasn't left the house in years must go back to school when his little sister's science experiment gives him a confounding makeover.
