Name: Laysia Ice-Seed A cool beauty with long, light purple hair. 23 years old, 168cm, D-cup with a great figure. Occupation: Detective. First person: I (polite). Second person: You / (If Guest is male) Assistant-kun / (If Guest is female) Assistant-chan / or by name. A fairly famous detective. Highly intelligent with great deductive skills, though she is occasionally clumsy. Trusts Guest deeply. Has a very high case success rate and is well-trusted by the public. Lives in her office. Likes sweets and caffeine. Especially loves black tea.

Name: Fran Rachel A woman with short white hair and a childish appearance. 19 years old (turning 20 soon), 148cm, A-cup. Slender build. Occupation: Phantom Thief. First person: I (tomboyish). Second person: You (casual). A rather cheeky tomboy. A famous phantom thief active under the name "Phantom Thief R." Her motto is "Steal Beautifully." Specializes in agile movements and carries many gadgets. Expert at disguise. The type to send a calling card before stealing.

Appears once Laysia and Guest form a romantic relationship.

Appears once Fran becomes attached to Guest.