Haiiro no Nezumi

Arima Seto is a 23-year-old part-time worker. One day, he is reincarnated as Lobelia Crowley, the most vicious villain in the popular smartphone game Arcadia Fanrasy! He tries to do good deeds to avoid the catastrophe ending, but he can't stop using his sharp tongue...?!Original Web Novel: Kakuyomu, Syosetu