4-EVER
| 4-EVER | |
| Language | Japanese |
| Links | Official website |
4-EVER is a band composed of Koike Masaya and Okazaki Shun.
| Title | Released | Role | As | Note |
| Mahou Shoujo Twin☆kle | 2005-03-04 | Composer | 4-EVER | |
| Sis x Miko | 2005-03-25 | Composer | 4-EVER | BGM |
| Kininaru Roommate | 2005-08-05 | Composer | 4-EVER | OP, ED |
| Himesho! | 2005-11-25 | Composer | 4-EVER | |
| Masquerade ~Jigoku Gakuen SO/DO/MU~ | 2006-05-26 | Composer | 4-EVER | |
| Aikagi 2 ~Nureta Kami ga Kawaku Mae ni~ | 2006-10-27 | Composer | 4-EVER | |
| Tropical Kiss | 2009-09-25 | Composer | 4-EVER | BGM |