Akito, que tiene 17 años y solo uno más de vida, le da un nuevo sentido a las cosas llevando alegría a una chica enferma a la que le quedan solo seis meses.

Un pionero en robótica se despierta en 2025 tras décadas de estar dormido. Para cambiar el pasado y reunirse con su hermana adoptada, busca una forma de volver a 1995.

A tragic accident lead to Akari's blindness, but she clings to life and the smaller pleasures it can still afford her. Akari has also lost her family. She meets Rui a former kick boxer, misplaces him and the two begin speaking. He too has a past and is disassociated with most of society. One things leads to another and they develop feelings for one another. However, the too are connected in more than one way. Rui attempts to do what is right.

Two different students - a successful but aloof academic and a rebellious but kindhearted delinquent - form a friendship through their love for music.