The man who was feared by all villains, and revered by all hitmen—
one day, fell in love!
When Sakamoto met Aoi the convenience store clerk,
it was love at first sight; and just like that, he retired.
Sakamoto got married, had a daughter,
opened a mom-and-pop store in a quiet town,
and completely transformed... into a plus size!

To ensure a peaceful life with his beloved family, the legendary ex-hitman takes on a relentless stream of assassin attacks.

This action-packed story of the ordinary and extraordinary begins here!