Gummi is an Artificial Organism resembling a rodent or a small bear, given to Aiko as a gift from her father.
| Characters of A.I.C.O. -Incarnation- | |
| Main | Aiko Tachibana · Yuya Kanzaki |
|---|---|
| Divers | Daisuke Shinoyama · Maho Shiraishi · Yoshihiko Sagami · Kazuki Minase · Haruka Seri · Kaede Misawa |
| Supporting | Gummi · Hori · Kyōsuke Isazu · Yuzuha Isazu · Kiryu · Susumu Kurose · Akiko Nanbara · Nanami Ozanami · Saho · Original Aiko · Kōichi Tachibana · Royta Tachibana · Yumiko Tachibana · Toshihe Yura |
