| Name | Description |
| Secret Association-Majin Club | Official site of Managment - All About of SeikimaII's Data and News(Since D.C.02.06.02) |
| The 48th Area-Music Chase | Official site of Ex-Managment - Closed at D.C.02.06.01 |
| BMG - Japan | Official site of Record Company - Details of SeikimaII data, MTV, Song...(Japanese) |
| Sony Music - Japan | Official site of Record Company - General SeikimaII information, Song and news of SeikimaII's DVD... |
| AOL - Japan | Official site of AOL - SeikimaII's information, CM planning, news and military base... |
| Otaru's Yoshitomo - Japan | Official site of Yoshimoto - Information of SeikimaII's Ice-statue Exhibition in Otaru-Hokkaido, Japan. |
| Demon Coner- Japan | Official site of Mr.Demon Kogure's Radio Creation - on air(Radio Prog.) information |
| CX Nude DX - Japan | Official site of Fuji.TV - Information of Mr. Demon Kogure's(MC) TV Prog. |
| Asahi News - Japan | Official site of Asahi TV - Information of Mr. Demon Kogure's(MC) "Asahi Newstar" TV Prog. |
| LUKE THE OFFICIAL | Official site of Mr.Luke TakamuraIII - Mr. Luke news, BBS... |
| RX - Japan | Official site of RX - RX news, album info, tour pic... |
| Toyama-smenet - Japan | Official site of Toyama - Vehicle CM of SeikimaII, download the message of CM!! |
| Seikima2 - Ushio Takamura & Asuma Tachibana site | Unofficial site - SeikimaII Shinja's Links Centre (many Shinjas unofficial site in there) |
| Moorii's Floor- Hakainokami & MooRii site | Unofficial site - MIDI music of SeikimaII song |
| Demonist! - Riku & Arec site | Unofficial site - Shinja's page, more data of SeikimaII, more Shinja's pic and learning how to make-up likes SeikimaII... |
| Emmett the Crab Page | Unofficial site - This web-site was intro SeikimaII and written by English. |
| Music Chase - Japan | Official site - His Majesty Damian Hamada's homepage! About the Album of "Mirror of Demon" |
| R & P - Japan | Official site of Record Company - Mr. Jail O'hashi web-site. JJ'guitars collection, style of living, data of "The outsiders"! |