"I am terribly sorry." A god was suddenly prostrating in front of Kayano Takumi. He was killed by mistake. Moreover, he can’t be born again in his old world. However, he is able to live in a different worl...

Consumed by the flames of a burning castle, an aged butler is reincarnated as the younger version of his incompetent master, Duke Aaron of Brahn. Suddenly finding himself in a position of real power, equippe...