Sekai Saikyou no Assassin, Isekai Kizoku ni Tensei Suru - MangaDex

The most dangerous prey When the most accomplished assassin on Earth meets his end just before retirement, he finds himself standing before a goddess. Her world is headed for disaster, and she has need of his particular set of skills. Armed with powerful new abilities and decades of deadly knowledge, he begins his second life as Lugh, young scion of the Tuatha Dé clan of assassins. His mission: to find and eliminate the strongest individual in this world—the hero!

Ansatsu Skill de Isekai Saikyou ~Renkinjutsu to Ansatsujutsu o Kiwameta Ore wa, Sekai o Kage kara Shihai suru~ - MangaDex

MangaDex

Sekai Saikyou no Assassin, Isekai Kizoku ni Tensei Suru - MangaDex

Adventures in an Unknown Land — Mangadex went down so I read alot 3/7

Sekai Saikyou no Assassin, Isekai Kizoku ni Tensei Suru

Sekai Saikyou no Assassin, Isekai Kizoku ni Tensei Suru

Sekai Saikyou no Assassin, Isekai Kizoku ni Tensei Suru - MangaDex

DISC] Sekai Saikou no Ansatsusha, Isekai Kizoku ni Tensei suru - chapter 16.2 : r/manga

Sekai Saikyou no Assassin, Isekai Kizoku ni Tensei Suru - MangaDex

Sekai Saikyou no Assassin, Isekai Kizoku ni Tensei Suru - MangaDex

Isekai Kenja no Tensei Musou: Game no Chishiki de Isekai Saikyou - MangaDex

Ansatsu Skill de Isekai Saikyou ~Renkinjutsu to Ansatsujutsu o Kiwameta Ore wa, Sekai o Kage kara Shihai suru~ - MangaDex

Moto Ansatsusha, Tensei Shite Kizoku no Reijou ni Narimashita - MangaDex

Sokushi Cheat ga Saikyou Sugite, Isekai no Yatsura ga Marude Aite ni Naranai n desu ga - MangaDex