Rei Taishi is a guy who's like wild leaf in a river following the flow and became rowdy as he wants. Having everything he wants in his grasp, he lives a life surrounded by friends and women he can fool around. By the time he was almost engulfed by the flow and almost sinking, a transferee named Eliana Fraulin appeared. Having a new girl in his class, Rei thought that she is an easy target for him to fool around but never that he thought that she is someone who will take him out of that flow. Slapped him with many series of connections that he never expected, he will finally create his own connection.