Utakata Ayuri, a relatively unsuccessful singer-songwriter, uses the pleasure she feels during sex as inspiration for her music. Her manager, Haruyama Keita, "supports her" however he can. However, Ayuri is taking a long time to write her music, and the two of them argue, unable to understand each other's feelings. Keita thinks back on all the time he's spent with Ayuri and realizes that he really loves her.
"Fill me with your sound!"
Keita listens to what Ayuri has to say, and she tells him how she feels. He answers her feelings, and they embrace one another. They make love, Ayuri is filled with intense pleasure, and the song she's been trying to write springs forth from within her.
"It's because I love you! I love you!"