Sekai Saikou no Ansatsusha, Isekai Kizoku ni Tensei Suru (2021)

Storyline:

Sekai Saikou no Ansatsusha, Isekai Kizoku ni Tensei Suru 2021 When the worlds greatest assassin reaches the end of his life, he is sent by a goddess to be reborn in a magical world and use his skills to save that world