It suddenly dawns on Mob that he lives in a BL world! He likes girls, so he must turn down any hot guys who approach him. But since it is their world, there's just no escaping the public displays of affection around every corner.
(Source: MyAnimeList)
Adapted from the manga series "Zettai BL ni Naru Sekai VS Zettai BL ni Naritakunai Otoko" (絶対BLになる世界VS絶対BLになりたくない男) by Konkichi (紺吉).
Two versions available: 1 episode (TV) || 4 episodes (online)