Natsuhiko Sakurada, having won three billion dollars in lottery transferred to the Millionaire Private School, catered for the children from wealthy families. This is all for the sake of seeking his childhood friend, Shin, whom he used to play baseball with. This school is managed by a pair of twins, who are the very popular and smart young masters of the Jinnai family. But, unexpectedly, this school does not have a baseball team and his room-mate, one of the Jinnai's twins, is very distant towards him. In order to setup a baseball team to find Shin, what would Natsuhiko do? Find out in this lovely, sweet and hilarious story.