G.G.G.

GGG-ジージージー- / GGG Dentor works at a nursing home where a man of legend is rumored to be. But it turns out he's actually a promising young talent making waves in the mafia. Dentor's assignment is to infiltrate the nursing home where the legendary assassin Omega is in hiding, and snatch the 100 million dollar bounty...!

(MANGA Plus)