A demi-human near her thirties. While her life may be long, she is quite sensitive about her age. She wields two swords named Haru and Kiri. The supposed ruler of the Cat Clan until she fled to find her missing brother.

Emi's trusty familiar. A bird from unknown origins that has the colors of the rainbow embedded into its wings. The rest of its body is a crystal white however. It has extensive knowledge of the world but its temper is its more vocal trait, hindering it from its true potential. 

A young man who fears his sister's wrath because of his clumsiness. He is the only son of the Jugendels, a family acquainted with the study of black holes popping up all over the continent. Despite all his flaws, he takes after his father's cooking skills and dreams of building his own eating establishment.

A mysterious woman who is apparently the mastermind of Beryl, a dangerous organization of followers devoted to the studies of black holes being gateways to a new world. She had a history with Emi Hachiru when the latter was once a member before she resigned from the organization forever.

A prodigious child able to bend reality to her will in a limited amount of time. Due to her inexperience, she is still incapable of fully using her abilities. Her opponent must not do a certain action so her powers won't prevail. The question is, what? The youngest member in Beryl under Priscilla's guidance.

This person's gender is still unknown but this person has the power to poison opponents. This person is first seen in the tower of a desecrated location spectating the fight between Emi and Priscilla.

The mother of Emi Hachiru. 

The father of Emi Hachiru.