それを言ったらおしまいよ

Don't Say Anymore, Darling

Kouhei is a doctor at the local university hospital who has lost touch with his high school friend Tadashi. While Kouhei grew up to become a successful young doctor, Tadashi became a jobless, poor-as-dirt, flaming gay writer. But one lonely night, at his wits end, Tadashi sends Kouhei a text message and receives a reply. Of course Tadashi has secretly harbored feelings for Kouhei for a long time. But when he finds out Kouhei is getting set-up for an arranged marriage…(Source: DMP)