Like a Dragon: Yakuza
龍が如く~Beyond the Game~ (original)
Follow the life, childhood friends, and repercussions of the decisions of Kazuma Kiryu, a fearsome and peerless Yakuza warrior with a strong sense of justice, duty, and humanity.
Starring Ryoma Takeuchi, Kento Kaku
It's a crime and drama show, and has a rating of 6.6 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from Belgium.