Sekai Saikou no Ansatsusha, Isekai Kizoku ni Tensei suru

A top-tier assassin is reborn as the firstborn of a noble family known for producing killers. A deity grants him a new life in a different world with one stipulation: to eliminate the Hero destined to bring about the world's ruin. Drawing on his previous life's skills and the magical techniques of his new family, he becomes an unparalleled assassin in this fantasy realm.

Traduzione in corso — testo originale in inglese.