Nakaimo: My Little Sister Is Among Them!
Season 1, Episode 4: My Sister's Hero Is Her Onii-sama!
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Shogo has ruined his relationship with Miyabi; after letting Konoe know about his secret, a new problem has arisen.
All Episodes - Season 1
Episode 1
The Voice of My Unfamiliar Little Sister
Episode 2
My Sister and the Moonlit Dance
Episode 3
My Sister's Seduction
Episode 4
My Sister's Hero Is Her Onii-sama!
Episode 5
My Little Sister Won't Let Me Sleep
Episode 6
My Neko-mimi Maid Sisters
Episode 7
My Little Sister Is Disciplined and Beautiful!
Episode 8
My Sister Resisted
Episode 9
Surprise Attack! Little Sister Warning!
Episode 10
My Blooming Sisters
Episode 11
My Sister's Trap
Episode 12
My Sister Was Always Beside Me