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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.
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Synopsis
Horoscopes are all the rage at school right now, and Mahiro is curious to see what all the fuss about. According to his forecast, an important occasion is on the horizon and he may be in for a surprise or two. But what occasion could it be alluding to?
