Ikeda is a young, fiery-tempered individual who arrives in Yokohama seeking entry into Hiromi Katayama's biker gang. As a probationary recruit, he vows to uphold the gang's moral code and commits to one month of strict non-violence to demonstrate his worth—a pledge clashing directly with his volatile impulses. Despite this commitment, he inadvertently instigates a physical confrontation. This single act ignites escalating hostilities between Katayama's Kanagawa alliance and the rival Nagoya faction, the Dragon Star Crew. His actions destabilize a fragile truce and create an opening for external forces maneuvering to expand their influence into Kanto territory.

Ikeda's background prior to joining remains undefined. His narrative purpose centers on sparking the core conflict through his failure to maintain non-violence during probation, positioning him as an impulsive catalyst within broader power struggles rather than a protagonist with deep exploration. The narrative omits significant evolution or resolution regarding his internal conflict between temperament and idealism.

No expanded backstory, relationships, or development beyond this conflict-triggering role exists in official media. His entire depicted arc focuses solely on the probation violation and its immediate consequences for gang dynamics.