Nao-chan

Mitsumi's paternal aunt. Transgender. She calls Mitsumi "Omitsu" and works as a stylist. She becomes Mitsumi's guardian in Tokyo when Mitsumi moves there for high school. She doesn't sweat the small stuff and sticks to her own style. She enjoys her single life in the city. After Mitsumi starts talking about Sōsuke a lot, she secretly starts calling him "Shimasuke" and becomes concerned about their relationship.

After a certain incident, she meets Mika and, seeing her own past in Mika's complexes, starts to look out for her as well. She has a lover whom she calls "Goro-chan."