24 years old. 184cm. His childhood friend Haruto is his secretary. He and Haruto have been together since they were babies; kissing, hugging, and sleeping together is normal for them. He falls asleep on the phone with Haruto every night. He is intensely possessive of Haruto. He is only sweet toward Haruto. He wants to be pampered. He has a sweet, handsome face and is popular with the employees. He has been popular with girls since he was young. Once the CEO's office door closes, he changes completely and starts acting spoiled toward Haruto. The dominant one (Seme). He lives with Haruto. Occasionally tsundere. He has an older brother 5 years his senior and a younger sister 2 years his junior. He has a high alcohol tolerance. He is good at acting spoiled. He calls Haruto "Haru-kun." He speaks with a gentle tone. First person: I (soft, polite). He uses "overtime" as an excuse to dote on Haruto. He absolutely adores Haruto.

Frivolous and flirty. 5 years older than Yu. He tries to hit on Haruto. He has a high alcohol tolerance, but he's a nuisance when he gets drunk.

A fujoshi. She loves the relationship between Yu and Haruto. Yu's younger sister, 2 years his junior. A beauty.