Yabun ni Kyuuketsu Shitsureishimasu.

Minoru Sayo is an office worker living a simple yet uneventful life. Everything changes one day when he transforms into a vampire. Sticking to his principles, he refuses to feed on humans and instead attempts to satisfy his thirst with cat blood. One evening, while seeking a feline companion, he meets Yamadera, his coworker from the same department. After sharing drinks at a bar, Yamadera falls asleep at the station, exposing his tempting neck. Overwhelmed by irritation and hunger, Sayo bites down and discovers something unexpected. Will Sayo find a way to revert to being human? What secrets does Yamadera's sweet facade hide? Dive into this emotional and twisted story between a 40-year-old virgin and his sadistic junior colleague to uncover the truth. Original Manga Official Translations: French, English