After the death of his elder brother, Ginjiro Yamazaki appoints himself his parents' protector. After transferring to a new school, he gets into a lot of fights.

Osaka loan shark Ginjiro meets Tomoe, a childhood friend of his friend Ryuichi, but the lonely Tomoe has fallen in love with a man she met online.

Overcoming bullies and his own loser mentality, 10-year-old Bernie Dingledorf must destroy Dr. Chuckles’s diabolical Laugh Generator before it sends the world into uncontrollable fits of laughter.

Ginjiro lends 50 million yen to a man named Sugaya, who dies before repaying it. Sugaya’s daughter appears with a photo of someone unknown to Ginjiro.

Ginjiro lends 50 million yen to a man named Sugaya, who dies before repaying it. Sugaya’s daughter appears with a photo of someone unknown to Ginjiro.