One Room Genre Romance[1] Anime television series Produced by Hiroshi Gotō Ryōhei Suzuki Shūichi Suzuki Written by Eiji Mano Music by Yamazo Studio Typhoon Graphics Original network Tokyo MX, SUN Original run January 11, 2017 – March 29, 2017 Episodes 12 + 3 (OVA) Anime television series Room Mate Produced by Hiroshi Gotō Ryōhei Suzuki Shūichi Suzuki Written by Eiji Mano Music by Yamazo Studio Typhoon Graphics Original network Tokyo MX, SUN Original run April 12, 2017 – June 28, 2017 Episodes 12