Medabot is a small robot with a will that was developed through the excavation of an unknown object medal. Tenryo Ikki, who desperately wants such a Medabot, meets Metabee, a Medabot, after his dog Salty picks up a Kabuto Medal. Around the same time, suspicious people like Kaito Retort and Roborobo Gang started appearing one after another on the streets, and it was already a big problem!　 Ikki and Metabee fight hard amidst the chaos! The second installment of the series, Ikki-hen, is back in a new four-volume edition! (Combines both Medabots 2, 3 and 4)