Akuyaku Onzoushi no Kanchigai Seija Seikatsu

Ouga Vellet, the eldest son of the infamous corrupt lordly Vellet family, is a reincarnator. Having been taken advantage of due to his kindness in his past life, he now revels in the life of a mischievous villainous heir. From then on, Ouga spared no compromise, pushing the limits of "tyranny" to achieve his ambitions."Wow, Ouga-sama, you're amazing!"...Just for "arrogant behavior," his reputation seems to soar without his control? The curtain rises on a life of misconceptions and misconceived saintliness!