The Omphalos and neighboring Geospheres are home to a large number of characters that the player can get to know. For convenience, they are divided into Bachelorettes, Narrative, and Supplemental.

These are all the romanceable characters in the game.

Ailia, the MC's AI companion (secret romance route).

These are all the non-romanceable characters in the game who drive the story.

These are all the characters in the game who serve a supplementary role, often through association with another character.