| NEC PC-9801 Series 3.5in. disk |  Isaku | 1995 | Elf Japan |
| NEC PC-9801 Series 3.5in. disk | Isaku - Special Disk Tousaku | 1995 | Elf Japan |
| Sharp X68000 Series 5.25in. disk | Jan Jaka Jan | 1992 | Elf Japan |
| NEC PC-9801 Series 5.25in. disk | Jan Jaka Jan 18 | 1992 | Elf Japan |
| Fujitsu FM Towns CD | Jan Jaka Jan 18 | 1993 | Elf Japan |
| Sharp X68000 Series 5.25in. disk | Jan Jaka Jan for Adult 18 | 1992 | Elf Japan |
| Nintendo Game Boy Color cart. | Jankyuusei - Cosplay Paradise Model CGB-BHGJ-JPN | 2001 | Elf Japan |
| PC/MS-Windows CD | K.O.I.H.I.M.E | 1999 | Elf Japan |
| PC/MS-Windows CD | Kakyusei | 1998 | Elf Japan |
| PC/MS-Windows CD | Kakyusei 2 | 2004 | Elf Japan |
| Sega Saturn CD | Kakyuusei | 1997 | Elf Japan |
| NEC PC-9801 Series 3.5in. disk | Kakyuusei | 1996 | Elf Japan |
| NEC PC-9801 Series 3.5in. disk | Kakyuusei Special Disk | 1996 | Elf Japan |
| PC/MS-Windows CD | Kisaku - The Letch | ???? | Elf Japan |
| Sega Saturn CD | Kono Yo no Hate de Koi wo Utau Shoujo Yu-No | 1997 | Elf Japan |
| NEC PC-9801 Series 3.5in. disk | Kono Yo no Hate de Koi wo Utau Shoujo Yu-No | 1996 | Elf Japan |
| NEC PC-9801 Series 3.5in. disk | Kono Yo no Hate de Koi wo Utau Shoujo Yu-No Special Disk | 1996 | Elf Japan |
| NEC PC-9821 CD | Kono Yo no Hate de Koi wo Utau Shoujo Yu-No Model 21D 2080 | 1996 | Elf Japan |
| Sharp X68000 Series 5.25in. disk | Metal Eye 18 | 1993 | Elf Japan |
| NEC PC-9801 Series 5.25in. disk | Metal Eye 18 | 1993 | Elf Japan |
| Fujitsu FM Towns CD | Metal Eye 18 | 1993 | Elf Japan |
| NEC PC-9801 Series 3.5in. disk | Metal Eye 18 | 1993 | Elf Japan |
| NEC PC-9801 Series 5.25in. disk | Metal Eye 2 18 | 1994 | Elf Japan |
| Fujitsu FM Towns CD | Metal Eye 2 18 | 1994 | Elf Japan |
| NEC PC-9801 Series 3.5in. disk | Metal Eye 2 18 | 1994 | Elf Japan |
| NEC PC-9801 Series 5.25in. disk | Metal Eye 2 Special Disk 18 | 1994 | Elf Japan |
| Sharp X68000 Series 5.25in. disk | Metal Eye Special Disk 18 | 1993 | Elf Japan |
| NEC PC-9801 Series 5.25in. disk | Metal Eye Special Disk 18 | 1993 | Elf Japan |
| Fujitsu FM Towns disk | Metal Eye Special Disk 18 | 1993 | Elf Japan |
| PC/MS-Windows CD | Nonomura Byouin no Hitobito + Kawarazaki-ke no Ichizoku - Muti-pack | 2003 | Elf Japan |
| Sega Saturn CD | Nonomura Byouin no Hitobito Model T-28001G 18 | 1996 | Elf Japan |
| Sharp X68000 Series 5.25in. disk | Pinky Ponky Dai 1-Shuu - Beautiful Dream 18 | 1990 | Elf Japan |
| NEC PC-9801 Series 5.25in. disk | Pinky Ponky Dai 1-Shuu - Beautiful Dream 18 | 1989 | Elf Japan |
| NEC PC-8801mkIISR disk | Pinky Ponky Dai 1-Shuu - Beautiful Dream 18 | 1989 | Elf Japan |
| MSX 2 disk | Pinky Ponky Dai 1-Shuu - Beautiful Dream 18 | 1989 | Elf Japan |
| Sharp X68000 Series 5.25in. disk | Pinky Ponky Dai 2-Shuu - Twilight Games 18 | 1990 | Elf Japan |
| NEC PC-9801 Series 5.25in. disk | Pinky Ponky Dai 2-Shuu - Twilight Games 18 | 1989 | Elf Japan |
| NEC PC-8801mkIISR disk | Pinky Ponky Dai 2-Shuu - Twilight Games 18 | 1989 | Elf Japan |
| MSX 2 disk | Pinky Ponky Dai 2-Shuu - Twilight Games 18 | 1989 | Elf Japan |
| Sharp X68000 Series 5.25in. disk | Pinky Ponky Dai 3-Shuu 18 | 1990 | Elf Japan |
