Satoru Kōsaki
The trilogy features two ending themes, both composed by Satoru Kōsaki and written by Meg Rock. The first, "étoile et toi", was used as the ending for the second film, and was sung by Clémentine. The second ending, an alternative version of the first titled "étoile et toi [édition le blanc]", features vocals by Clémentine and Ainhoa, and was used in the third film.