An anime television series adaptation, directed by Shin Oonuma and produced by Silver Link, aired from October 8 to December 24, 2017.
Although there is an age rating on the back of the book which suggests that it's fine for ages 16+, I personally think the volume deserves a slightly higher rating due to the nature of the illustrations (especially given that one is depicting lesbian sex).
A Sister's All You Need. Season 2 Episode 1 - Watch on VRV.
A Sister's All You Need. - Watch on Crunchyroll.
At the end of the light novel series he gets married to her and has a son while she is pregnant. Chihiro Hashima: Itsuki bears resentment against his family, namely his father, but he gets along well with his step "brother".
Kazuko Hashima, better known as Nayuta Kani, is one of the main characters from the Imouto sae Ireba Ii. anime and light novels. Nayuta is a genius novelist who is in love with Itsuki.
A Sister's All You Need. (English Dub) Episode 12, A Sister's All You Need?, - Watch on Crunchyroll.
A Sister's All You Need. Watch on Funimation.
A Sister is All You Need Has Been cancelled With No Season 2.