River City: Tokyo Rumble (熱血硬派くにおくんSP 乱闘協奏曲, Nekketsu Kōha Kunio-Kun SP: Rantō Kyōsōkyoku in Japan, which roughly translates to "Hot-Blooded Tough Guy Kunio SP: Brawl Concerto") is a Nintendo 3DS game in the Kunio-kun series.
A sequel to Nekketsu Kōha Kunio-Kun Special and Riki Densetsu. It is a completely new story by Yoshihisa Kishimoto, the creator of the series. Like previous works, the character is drawn with a dot picture of 2.5 heads.
In this work it is possible to accompany one person as a buddy among Riki, Shinji, Misuzu. In the previous work, the quest received from NPC became a form to receive an order as "Ibatto". Also, when attacking NPC as a play element, they showed different responses.
Other prefectures outside of Tokyo where Kunio et al. Live become umbrella of a mysterious armed group "Kanto Shishi Coalition."
Kunio and his colleagues run around Tokyo in order to regain peace.