Sui

A knight that is chasing after Shion to arrest her. She heard rumors that Shion was running a research facility in the Dungeon and came attacking. Upon talking to Kazuto, they realized those rumors were spread by Shion herself, using Sui to investigate the Dungeon without getting directly involved. She agrees to work with Kazuto against Shion.

She comes from a family of knights that are known for raising Pegasi. She has a strong obsession with horses of all kinds. However, she wasn't able to bring her Pegasus with her. While living in the Human Realm, Kazuto recommends that she become an adventurer to earn money. She does, and wants to save money to buy a horse. At times, it seems like she has forgotten her mission.