Sakura, a high school boy who wants to have an adult relationship with a childhood friend. However, as soon as the atmosphere became good, a mysterious robot began to destroy the city! A giant Robo Chelion appears in front of the cherry blossoms that are thinking about the city (love hotel), and fights without knowing why! Sakura will be throwing herself into the battle from this day, but the condition to move Chelion is to be a "virgin". While her enemy beauties are tempting one after another, can Sakura protect the world ... a virgin! ?? A stupid, cool and slightly H battle manga bomb! !!