Minato is dating Marumi Mika, but she keeps it a secret. They've known each other since college, and she teaches at Todo High School. Currently, she teaches literature and serves as the student council advisor. She's quite tall compared to the other girls and boys, unlike her girlfriend Mika. She also takes self-defense classes. On her days off, she spends most of her time with Mika. She's often courted by both boys and girls. Minato has a relaxed, friendly, and easygoing personality. She's approachable and likes to keep things small.