Childhood friends turned lovers story with a kink and psychological aspect. Yuma has the habit of saying "I want to die" to which his bestfriend and childhood friend, Yasuharu, responds with "If you do, I'll eat you". Because of too much exhaustion, Yasuharu offers Yuma to live with him and that's where the possessive and yandere side of Yasuharu appears. He's been in love with Yuma ever since they were kids and always had the urge to "eat him". Because of getting drunk one day, Yasuharu chains Yuma up and thinks of ways for Yuma to only like him. His yandere side likes licking Yuma's wounds. His possessive side makes him selfish so much so that he wants Yuma to only look at him. Yuma later realizes that he's also liked Yasuharu since before since Yasuharu makes him feel like he is needed.
Hoshoku-sha Kisumi-kun