Released as purchasable DLC on Steam.
Album was composed by and was released on July 16, 2015. Soundtrack consists of 18 tracks tracks with duration over about 50 minutes. Album was released by stage-nana, Steam.
CD 1
| 1 | Ame no Marginal | 02:29 | |
| 2 | Ame - Untitled1 | 01:37 | |
| 3 | Nomikomu Uso (from narcissu2) | 02:16 | |
| 4 | Minami-muki no Mado (from narcissu2) | 02:32 | |
| 5 | Yozora 87's (from Ramune) | 02:34 | |
| 6 | Fades (from Scarlett) | 02:38 | |
| 7 | Silver Coupe (from narcissu) | 02:33 | |
| 8 | Kanashiki Shirabe (from narcissu3) | 03:32 | |
| 9 | Sabishiki Senritsu (from narcissu3) | 02:56 | |
| 10 | Ramune 79s ver.2 (from narcissu) | 03:09 | |
| 11 | Shumatsu no Sugoshikata Yori - orgel (from narcissu) | 03:44 | |
| 12 | Rainy Weather (from Scarlett) | 02:44 | |
| 13 | Hoshizora 79's (from Ramune) | 02:12 | |
| 14 | Shimu Sora (from Aka) | 04:20 | |
| 15 | Kenzoku (from Aka) | 01:53 | |
| 16 | Shizumu Sora (from Aka) | 02:23 | |
| 17 | 7F (from narcissu) | 02:15 | |
| 18 | Ame - Untitled2 | 02:40 | |
