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12 Episodes
S1 E1 - Brother Love
S1 E2 - Indecent
S1 E3 - No Bra
S1 E4 - Naked
S1 E5 - Sexual desires
S1 E6 - Mayonnaise & chicken
S1 E7 - Chippai
S1 E8 - Colorful
S1 E9 - Nii-Nii
S1 E10 - “Gindama”
S1 E11 - Ephemeral
S1 E12 - It's love
Streaming, rent, or buy OniAi – Season 1:
Currently you are able to watch "OniAi - Season 1" streaming on Crunchyroll Amazon Channel.
Where can I watch OniAi for free?
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Synopsis
After 6-years' separation, Himenokouji Akito reunites with his twin sister Akiko and they live together once more. However, in the interim, Akiko had developed a serious case of bro-con, romantic feelings for Akito. It doesn't stop there as Nikaidou Arashi, the student council president of his new school, vice-president Nasuhara Anastasia, and Sawatari Ginbei Haruomi, who followed Akito all the way from Kyoto, all move in with him one after the other.
