Christmas season.Hasegawa Yūta found himself single after breaking up last month when his girlfriend had cheated on him. And it was only a few days until Christmas!After an everyday conversation with his female friend, Mino Ayaka, Yūta met a beautiful girl clad in a Santa suit—In a lane full of couples no less!Her name was Shinohara Mayu.Will this encounter with Shinohara turn out to be the Christmas present for Yūta ?