Chapter 1: Werewolf by chance

Since he was a child, Mondo Owada has been able to transform into a werewolf on full moon nights, no one knows his secret except his older brother Dyaia

Over time, after an 'accident' his friends and his boyfriend will discover this secret

(Fun Fact: this story was originally supposed to be a One Shot, but then other ideas came to mind and it became a full story XD)