Rico Amamiya

A 15-year-old student who currently attends photography classes with Utsumi. She reveals that she is in her 3rd year of junior high. When Rico and Utsumi were talking about their families, Utsumi said that he always wanted an older brother or sister, so Rico began to call him "younger brother" (as a replacement of kouhai) despite him being 2 years older than she is.