Author Thousand Shadows of Residual Light

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' skil