Shibai to Yobu ni wa Koi sugiru

Unsuccessful actor, Taniguchi Makoto, is suddenly cast as the lead in a BL drama and, to prepare for his role, he is asked to live with his co-star. His partner is the rising young actor, Amamiya Chiaki. Despite his cheerful and approachable image on TV, the real Chiaki is extremely cold and distant. However, there is a deep reason behind his frosty behavior...

(Source: GANGAN ONLINE, translated)