Sekai Saikou no Ansatsusha, Isekai Kizoku ni Tensei suru Full Ending - "A Promise" by Aira Yuuki HD

Anime Theme Song Fall 2021Anime Title : Sekai Saikou no Ansatsusha, Isekai Kizoku ni Tensei suruSynonyms Title : The world's best assassin, To reincarnate in...