Rebellious Mahjong - Risky Edge

Yoshioka is a young but talented student living a lonely life, one without parents or friends. He earns money by playing mahjong as a rep player, despite his age; his life is a constant fight for survival! This is the story of a young man in a dangerous path, one that leads many to destruction; will Yoshioka be able to live on such a risky edge between ruin and survival?