When the class laid eyes on the new transfer student from Hokkaido, Kaishin Ryuu, everyone couldn't help but gasp at his overwhelming beauty. However, Youko, a girl with ESP, felt an inexplicable uneasiness towards Ryuu. One day, when Youko gets mixed up in some trouble, Ryuu is injured while protecting her, exposing his blood that is not red, but a glistening silver. As he embraced Youko, saying, "Please don't be afraid!" Ryuu's memories vividly appeared in Youko's mind! Who exactly is Ryuu, and what does the future hold for these two?