| Track Name | Track Artist | Album Artist | Album Name | Official Purchase/Artist Link | Album Genre | Source Track(s) |
|---|---|---|---|---|---|---|
| 心を摩する高楼 short ver. | rudder-k | HAPPY I SCREAM!! | Helianthus | Not Available | 感情の摩天楼 ～ Cosmic Mind | |
| BURN AWAY | mana | HAPPY I SCREAM!! | Helianthus | Not Available | 幽夢 ～ Inanimate Dream | |
| 狂恋メロディ | rudder-k | HAPPY I SCREAM!! | Helianthus | Not Available | もう歌しか聞こえない | |
| beside you | mana | HAPPY I SCREAM!! | Helianthus | Not Available | U.N.オーエンは彼女なのか？ | |
| すわこのえかきうた はぴすくver. | rudder-k | HAPPY I SCREAM!! | Helianthus | Not Available | ネイティブフェイス | |
| 蛍火 | rudder-k | HAPPY I SCREAM!! | Helianthus | Not Available | 蠢々秋月 ～ Mooned Insect |