Also known as: ゴルゴ13
A long-running manga series illustrated by Saito Takao (thought he referred to his work as gekiga - a more realistic and westernized style comic book). It is the oldest manga still in publication (since 1968) and the second best-selling manga of all time, behind One Piece.
The story follows the epynomous "Golgo 13", a professional hitman Sniper and his journey in the underworld.
Saito Takao passed away on September 24, 2021. As per his wishes, the series will continue after his death.