DJ# - none
Blood Type: ??
Birthplace: The realm of gods
Introduced in: beatmania IIDX 22 PENDUAL
Unknown / Untranslated. After the player has collected all crystal shards and defeated all Chrono Seeker event bosses, Chronos and Kairos find out that they are unable to return to the realm of the gods, and instead decide to stay at the player's house.
- Kairos is based on the greek concept of kairos (καιρός), roughly meaning "the right moment".
- The voice of the login and main menu during the FUTURE phase of PENDUAL belongs to Kairos. She also occasionally introduces herself during the start of the game.
|Yuz - Celica - Duel - Siren - Shi-low - Nix - Q-Jack - Erika - Nyah - Shiki - K-na - Zilch - Lilith - Ereki|
|Shem - Daruma - Tsugaru - Iroha - Eiri - Tekka - Sakura - Xiatian - Hihumi - Ameto - Saya|
|TRAN - Mika - Yuri - Akane - Tart&Toffee - Emiru - Aki - Kana - Tora Yamato - Acty Aries - Killer - Licht|
|DJ Robo - Tsurugi Ohabari - Futsu Futaba - Fireboy - Chronos - Kairos|