Tankōbon Volume 5

Volume 5 (お兄ちゃんはおしまい!⑤, Onii-chan wa Oshimai!⑤) is the fifth tankōbon volume of Onimai: I'm Now Your Sister!. It is a compilation of chapters from Volume 14, Volume 15, Volume 16, and Volume 17 of the doujinshi with added bonus chapters exclusive to this release. It was originally released on May 27, 2021 in Japan, and on March 22, 2022 in North America.