Atsuize Tenma!

Tenma is a Middle Schooler who loves playing Mahjong. He doesn't know exactly why, but the freedom it brings him fills his chest with pride. One day, his friends run into some trouble with University Students from Kantou, and it's up to Tenma to save the day! It also has 1 Volume (Collector's Edition) called "Tetsu to Tenma" (Including "Atsuize! Tenma" and "Burai na kaze Tetsu" in a single volume).