Amachin wa Jishou Osu (Japanese: あまちんは自称♂, "Amachin Calls Himself Male")[a] is a Japanese otokonoko romantic comedy manga series by Akane Terai, which has been serialized by Kodansha in their magazine Shonen Magazine Edge from June 2017 to April 2023.

The story follows Amachin, a feminine young man who is attracted to his friend Tatsumi, and tries to make him like him back by dressing and acting cutely.

Amachin wa Jishou Osu is an otokonoko romantic comedy manga[1][3] set in Ishikawa Prefecture in Japan.

[11] On December 25, 2021, a promotional video was released to celebrate the 500,000 sales of the series, in which Amachin was voiced by Hiromi Igarashi.

[26] Honcierge also found the contrast interesting, exemplified by the volume 1 cover art, showing what appears to be a cute girl in the men's bathroom.