Yukio is a normal salaryman who one day becomes relatives through marriage with his former classmate Hijiri. Now brother-in-laws in a sense, Yukio and Hijiri meet again and spend time with each other. But, when they kiss during a drunken moment, they realize they might have a deeper relationship than just friends and brother-in-laws. (Source: Fantasista Inc.)

Kare wa Otoko to Shita Koto Nai. was published digitally in English as He Has Never XXX by Fantasista Inc. through futekiya from December 24, 2019 to January 21, 2020.