Imouto sae Ireba Ii. (ONA) 7.33
Other Name: Imouto sae Ireba Ii., A Sister's All You Need, It'd be Good if Only Little Sister Was Here, 妹さえいればいい。
Summary: Original "chibi" styled animations of Imouto sae Ireba Ii. posted on the anime's official Twitter channel. Also included on the BD/DVD releases.
