Detective Conan: Descent of the Demon Child

Synopsis: A third-rate painter in his past life, now a young master of a chaebol. It seemed like a reincarnation story, but it turned out to be a system. I wanted to rely on myself, but you made me use a 'cheat'. "Ding! Congratulations on successfully signing in Ran Mori, rewarding the 'Karate' skill at a master level, the owner can receive it at any time." "Ding! Congratulations on successfully signing in Gin, rewarding [Servant Contract] a portion, the owner can receive it at any time." "Ding! Congratulations on successfully signing in Ayako Suzuki, rewarding [Money Superpower] a portion, the owner can receive it at any time." ...