Summer of the Lion Kings

Original title: 獅子王たちの夏

Katsu, who belongs to the Murai group of the Sakagami Union, was frustrated by the distance from the yakuza world he had envisioned. At that time, Katsu, who met Osamu who belongs to the conflicting Dainippon Kyokushinkai, feels the real gangster scent of Osamu.