Summer of the Lion Kings

獅子王たちの夏

Also known as Shishiohtachi no natsu

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.