Basically just Y/n acting like Kokichi Ouma and is also in BSD, also also DICE is here.

Xiao, a member of the Armed Detective Agency and friends with his suicidal coworker, Dazai Osamu. Though, being on countless investigations one happens to be about a tiger which leads him in meeting an intriguing.... person [I don't own Xiao, Genshin impact, Bungo Stray Dogs. They belong to their rightful owners. I only own the change of the storyline, change of characters and the change of Xiao] The pictures I put in the book do not belong to me, the belong to their rightful owners. Additionally, the photos I use for the cover of the book do not belong to me, i only own on how I made the cover.