From Viz:
Time has passed peacefully for Sakamoto since he left the underworld. He’s running a neighborhood store with his lovely wife and child and has gotten a bit out of shape. But one day a figure from his past pays him a visit with an offer he can’t refuse: return to the assassin world or die!

Note: Nominated for Best Print Manga at the Next Manga Awards in 2021 and the 68th Shogakukan Manga Award in the Shounen category in 2022. Won the U-Next Prize in 2021.

Official Japanese: Comico, Piccoma, Shonen Jump Plus, Shueisha

Official Translations:
Manga Plus (English, French, Indonesian, Portugese, Russian, Spanish, Thai)

English, French (Glenat, Glenatmangama), Korean (Kakao Page, Mcomics, Naver Series, RIDI), Polish, Spanish (Editorial Ivrea Argentina, Editorial Ivrea España)