Genki, Hayato and Ryosuke were best friends from the University baseball club; even after they entered adulthood, their relationships remained unchanged. Genki begins to feel a little lonely as their lives change direction, and hidden, special feelings towards a close friend begin to emerge.'I wonder if I have been left alone...behind. How am I supposed to live now?'However, he can't tell his friends about his emotions, and the three start a game on Ryosuke's wedding day.