(the idea is that with the words of the song "NEO", Tsukasa touched Rui's heart..) rui is an ordinary guy in high school, he is considered an oddball, because of this he is sometimes bullied and his life is like in a dark fog from which he cannot get out...until Rui came by pure chance to a concert of one group and noticed one participant who seemed to illuminate Rui's life like a ray of light..tsukasa.tsukasa is an idol and Rui has not seen him before.. but.. he already admires him