There are only Key member's info in the list below, and there are many other members in our group.
| name | habitation | the year of initiation | years of caving experience | note |
|---|---|---|---|---|
| Andou, Hiromasa | kanagawa | 2006.4 | under 10 | adventure cyclist, won "Uemura Naomi Bouken"prize in 2003 |
| Goto, Satoshi | tokyo | 2000.7 | over 30 | Speleological Society of Japan |
| Hirai, Jyunko | tokyo | 2002.12 | 10 | |
| Kizaki, Hirohisa | tokyo | 2000.9 | over 30 | Speleological Society of Japan, NPO Vulcanospeleogical Society |
| Kobayashi, Ayumi | tokyo | 2008.5 | over 10 | Yokohama caving club, Speleological Society of Japan |
| Kurisu, Ryuichi | tokyo | 2007.4 | 10 | Speleological Society of Japan, Caving Jurnal |
| Morizumi, Koichi | kanagawa | 2000.7 | 30 | Yokohama caving club, Speleological Society of Japan |
| Nakagomi, Yukiko | tokyo | 2007.2 | 10 | Speleological Society of Japan |
| Noike, Kohei | tokyo | 2005.5 | 15 | Speleological Society of Japan |
| Ochiai,Naoyuki | tokyo | 2000.7 | over 30 | Speleological Society of Japan, -1,000m cave explorer |
| Okamura, Seiko | saitama | 2002.12 | 10 | |
| Endo, Yukie | kanagawa | 2011.7 | 9 | |
| Kuroda, Tomoko | kanagawa | 2011.7 | 12 |