Complete raws for Onii-chan wa Oshimai! (Onimai: I'm Now Your Sister!) as of 2023-03-28.
「**お兄ちゃんはおしまい!**」folder:
Japanese tankōbon volumes 1–7 (through chapter 70), published by Ichijinsha.
Vol. 7 is the special edition with the 16-page "お兄ちゃんはおやすみ!" (Onii-chan wa Oyasumi!) bonus booklet.
「**お兄ちゃんはおしまい! 同人誌**」folder:
Japanese dōjinshi issues 1–24 (through chapter 71.5), released by GRINP/Nekotoufu.
Includes the three EX 特別編 (special compilation) volumes that have never been included in the tankōbon versions, which come with character profiles and additional drawings.
Note: These versions of the chapters lack furigana on kanji and feature some minor typesetting differences from the tankōbon versions.
English tankōbon volumes 1–6 (through chapter 60) by Kodansha USA: https://nyaa.si/view/1594706
Official Anthology Comic (raw, digital): https://nyaa.si/view/1631029
Asahi a best.