Sakamoto Days (サカモトデイズ,Sakamoto Deizu?) is a manga series written and illustrated by Yūto Suzuki. The first chapter was published on November 21, 2020 in issue 51 of Weekly Shonen Jump.
The one-shot was originally published in Jump GIGA 2020's Winter issue, where it was simply known as SAKAMOTO.
Taro Sakamoto was the ultimate assassin, feared by villains and admired by hitmen. But one day...he fell in love! Retirement, marriage, fatherhood and then... Sakamoto gained weight! The chubby guy who runs the neighborhood store is actually a former legendary hitman! Can he protect his family from danger? Get ready to experience a new kind of action comedy series![1]