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!

Horobi no Kuni no Seifukusha - MangaDex

reading, Collections

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

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

OP MC isekai/fantasy manga - Interest Stacks

Sekai Saikyou no Assassin, Isekai Kizoku ni Tensei Suru

Virus Tensei kara Hajimaru Isekai Kansen Monogatar] : r/animenocontext

Mangadewx

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

Isekai Saikou no Kizoku, Harem wo Fuyasu Hodo Tsuyoku Naru - MangaDex

Sekai Saikyou no Assassin, Isekai Kizoku ni Tensei Suru

MangaDex

Read The World's Best Assassin, Reincarnated In A Different World As An Aristocrat Chapter 13 - Mangadex

Isekai Shihai No Skill Taker - MangaDex

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