Imouto sae Ireba Ii. (ONA)
Original "chibi" styled animations of Imouto sae Ireba Ii. posted on the anime's official Twitter channel. Also included on the BD/DVD releases.
ONA
Finished Airing
Episodes: 6
Score: 6.47
Comedy
Studios:
SILVER LINK.
Aired: Oct 8, 2017 to Dec 10, 2017