Gungrave, 91 Days Recommendations
Both follow young people joining and riseing through the ranks of a crime syndicate. There is betreyal and the striving for revenge!
Both shows portray a similarly gritty 'gangster' storyline defined by revenge and brutal killings. While Gungrave has more fantastical elements and plays out over a longer time period, if you're a fan of the slow-burning, retro 'mob movie' feel of 91 Days, then you owe it to yourself to check out Gungrave too.
Mafia, revenge, betrayal, blood, young friends joining groups, seeking for success and better life. Lots of action, shooting and guns.
Dark atmosphere and realistic animation.
Both anime's share two strong similarities
Both share the premise about a nobody/underdog getting involved with the Mafia and climbing throughout their ranks.
Both share about a theme of getting revenge
Did you like gungrave's realistic mafia plot in the first 2/3 but was disappointed when it became more scifi?
Then 91 days is perfect for you. It's a gangster drama with revenge on the mix and it's pretty good.