In this love simulation adventure, ou play as Yuusaku, a student at a Tokyo school who has the strange ability to move objects just by looking at them and make flowers blossom with a mere touch. He hears some weird news: A middle-ages European-style tower has appeared along the Yamanote train line. Taking the train to school, he realized that although it's commute time, there is only one other person on the train with him. This lone young girl turns to Yuusaku and says, "I've been longing to meet you, Mr. Yuusaku."

This is the start of Yuusaku's new school life as he finds himself in the company of 12 "rune princesses" who came from the world of "Neo Thirteen" in search of a hero.

(from GameSpy)