Doujinshi Volume 6

Volume 6 (お兄ちゃんはおしまい!⑥, Onii-chan wa Oshimai!⑥) is the sixth doujinshi volume of Onimai: I'm Now Your Sister!. It was originally distributed at Comic Market 94 on August 12, 2018 before receiving a general release on September 6, 2018.