[Anime Crossover] Its Secret Identity Keeps Getting Cast in the Wrong Show

Yuan, a newly appointed time traveler. His main job for now is testing System exploits. But why did nobody tell him! His secret identities always end up in the wrong series! Here are some ideas, in no particular order (I might not write them all, or I might change them. Please do leave suggestions): The ultimate lucky student in the Jujutsu world A sword spirit in the Natsume world A chibi version of Dazai Osamu in the Bungo Stray Dogs world A white-haired cursed speech user in the Detective Conan world A Gem in the K Project world (Might use different secret identities more than once in a world?) No one discovers his secret identity throughout the story. *If there's a world you'd like to see, please leave a suggestion under my story Cosplaying as Young Dazai and Transmigrating to Jujutsu Kaisen! *I'll start whichever of this and my other upcoming story gets more readers over the summer vacation. Thesis: How to struggle to survive in another world