| 2024-05-29 |  Mechanical Fate @ Heart Dance Rexords @ 2024-05-18 | 1 | Hard Dance / Hardcore / Neo Rave | Smile Demon, 觀測員 - Mechanical Fate (Original Mix)4:45 | |
| 2023-05-27 |  The Era of Degeneracy @ Heart Dance Rexords @ 2023-05-27 | 1 | Hard Dance / Hardcore / Neo Rave | Smile Demon - The Era of Degeneracy (Original Mix)6:24 | |
| 2023-04-09 |  Ethereal Heart @ Heart Dance Rexords @ 2023-04-08 | 1 | Hard Dance / Hardcore / Neo Rave | Smile Demon - Ethereal Heart (Original Mix)6:19 | |