Primary

• Ui Hirasawa (child) Younger Version of Ui Hirasawa
• Ui Hirasawa (child) Younger Sister of Yui Hirasawa (child)

Extended

• Ui Hirasawa Younger Sister of Yui Hirasawa
• Ui Hirasawa Classmate of Jun Suzuki
• Ui Hirasawa Classmate of Azusa Nakano
• Ui Hirasawa Older Version of Ui Hirasawa (child)
• Yui Hirasawa (child) Younger Version of Yui Hirasawa
• Yui Hirasawa (child) Younger Sister of Ui Hirasawa
• Yui Hirasawa (child) Younger Sister of Ui Hirasawa (child)
• Yui Hirasawa (child) Friend of# Nodoka Manabe (child)