Nekketsu Kouha Kunio-kun: Bangai Rantou-hen1990

Nekketsu Kouha Kunio-kun: Bangai Rantou-hen is the first game in the Kunio-kun series released by Technōs Japan for the Game Boy. It is a sequel to Nekketsu Kouha Kunio-kun, but uses the graphical style of Downtown Nekketsu Monogatari, which was previously released on the Famicom. This is the second game in the Kunio-kun series that has Kunio and Riki joining forces against a common threat, which would become a standard in later games.