Otonoha Letter ~Hare no Oto~
| Published by | Team Entertainment |
| Catalog number | KDGG-0587 |
| Release type | Game Soundtrack - Official Release |
| Format | 1 CD - 14 tracks |
| Release date | December 15, 2020 |
| Genres |
M-01 - PS4/PS Vita/Nintendo Switch/Steam Game "Nelke to Densetsu no Renkinjutsushitachi ~Arata na Daichi no Atelier~" Ending Theme
M-02 - PC Game "Karanoshojo The Last Episode." Opening Theme
M-03 - PC Game "Niizuma LOVELY×CATION" Opening Theme
M-04 - iOS/Android App "NOeSIS Uso wo Haita Kioku no Monogatari" EXTRA Route Song
M-05 - PC Game "Renran Spirichu" Mizuho Kuki Ending Theme
M-06 - iOS/Android App "Yume Oukoku to Nemureru 100-nin no Ouji-sama" Season 1 Main Story Ending Theme
M-07 - PC Game "Natsuiro Ramune" Opening Theme
M-08 - PC/PS4/Nintendo Switch Game "NEKOPARA vol.1 Soleil Kaiten Shimashita!" Ending Theme
M-09 - PC Game "Tsukikage no Simulacre" Ending Theme
M-10 - Web Browser Game "Kanpani☆Girls" Opening Theme
M-11 - PC Game "Missing-X-Link ~Ten no Yurikago, Togi no Hana~" Ending Theme
M-12 - Nintendo Switch Game "Hanayaka Nari, Waga Ichizoku Modern Nostalgie" Ending Theme
M-13 - Arcade Music Game "CHUNITHM" Song
M-14 - New Track
M-02 - PC Game "Karanoshojo The Last Episode." Opening Theme
M-03 - PC Game "Niizuma LOVELY×CATION" Opening Theme
M-04 - iOS/Android App "NOeSIS Uso wo Haita Kioku no Monogatari" EXTRA Route Song
M-05 - PC Game "Renran Spirichu" Mizuho Kuki Ending Theme
M-06 - iOS/Android App "Yume Oukoku to Nemureru 100-nin no Ouji-sama" Season 1 Main Story Ending Theme
M-07 - PC Game "Natsuiro Ramune" Opening Theme
M-08 - PC/PS4/Nintendo Switch Game "NEKOPARA vol.1 Soleil Kaiten Shimashita!" Ending Theme
M-09 - PC Game "Tsukikage no Simulacre" Ending Theme
M-10 - Web Browser Game "Kanpani☆Girls" Opening Theme
M-11 - PC Game "Missing-X-Link ~Ten no Yurikago, Togi no Hana~" Ending Theme
M-12 - Nintendo Switch Game "Hanayaka Nari, Waga Ichizoku Modern Nostalgie" Ending Theme
M-13 - Arcade Music Game "CHUNITHM" Song
M-14 - New Track
| 1 | Birth | ||
| 2 | 擬翼の偶像 | ||
| 3 | 幸せなキスを | ||
| 4 | 嘘ツキノササヤキ | ||
| 5 | promise | ||
| 6 | The Light of Hope | ||
| 7 | 夏色ラムネ | ||
| 8 | ねこまんま日和 | ||
| 9 | イノチの灯し方 | ||
| 10 | Shine | ||
| 11 | 虹のはじまり | ||
| 12 | 刹那のポリクロオム | ||
| 13 | Sentimental Snow | ||
| 14 | おとのはレター |
