Nagi Yanagi
"Rewrite" has seven pieces of theme music: two opening themes and five ending themes. The first opening theme is "Philosophyz" by Runa Mizutani of the dōjin music group NanosizeMir. The second opening theme is "Rewrite" by Psychic Lover. The first ending theme is by NanosizeMir, and it is used for Kotori's, Chihaya's and Lucia's scenarios. The next two ending themes are and , both sung by Nagi Yanagi. "Koibumi" is used for Sizuru's route, and "Itsuwaranai Kimi e" is used for Akane's story. "Itsuwaranai Kimi e" is also used as an insert song during Lucia's route. The last two ending themes are used in the Moon route, and "Canoe" used in the Terra route, both sung by Aoi Tada.