Shibai to Yobu ni wa Koi sugiru

Thirty-something actor Taniguchi Makoto finally thinks he’s caught a break when he’s unexpectedly chosen for a lead role—only to learn it’s for a BL drama! To prepare for the role, he’s told to move in with his co-star, the popular young heartthrob, Amamiya Chiyaki. On TV, Chiaki is all rainbows and sunshine, but off-camera, his true self is surprisingly cold—and there’s a deeper reason for it... Prepare for cozy domestic moments in this sweet romance between an older struggling actor and a younger tsundere star!
(Source: Manga UP!)