Primary

• Miki Sakurazuka Best friend of Uta Yumeno

Extended

• Uta Yumeno Childhood friend of Kakeru Kogure
• Uta Yumeno Daughter of Masahiko Yumeno
• Uta Yumeno Older sister of Koto Yumeno
• Uta Yumeno Best friend of Miki Sakurazuka