What's this!? A round, humanoid (?) robot. A strange feature is hidden in the body? A game enthusiast raised in the city, new urban elementary school teacher Ishihara is being transferred to a new location; via a 25.5 hour boat ride, he is going to teach at a southern island school! And in addition to the pupils, the bizarre robot mingles in too...!? The blue sky and sea. The energetic children, the brawny village leader, the rumored beautiful female doctor. Surrounded by nature and islanders with abundant personality, a helpless teacher's everyday life begins! Island slapstick comedy.