Tracklist Hide Credits

1	Billet～幼き夏の便箋～ Cello – Masayo InoueVoice – Maximilien Pats	4:20
2	émeraude～海に魅せられて～ Acoustic Guitar [Additional] – Masami TomotsunePercussion – Maro KitazawaRecorded By, Mixed By – Toshihiko Oguro	4:50

Credits

• Arranged By, Producer – LAREINE
• Bass Guitar – EMIRU
• Co-producer, Arranged By – 藤 太薫哉
• Drums – MACHI
• Electric Guitar, Acoustic Guitar – MAYU
• Vocals, Lyrics By, Music By – KAMIJO

Notes

First press came with a random trading card.

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