"Maki's friend. She works part-time to support her family."
Yuko is a student of St. Hermelin High School and friends with Maki Sonomura. She is a humble and hardworking girl who works part-time to help with her family's money troubles. Before the events of the game, Maki lent her a copy of the book Gate to Paradise and asks the party to inform Maki that she'll be borrowing the book for a while longer. When the ideal Maki first arrives at school, she's the one who identifies her as real due to the compact.
In the real Mikage-cho, Yuko lives in a small house near Alaya Shrine with her parents and younger brothers. In Maki's Mikage-cho, Yuko is a rich girl, as per Maki's wishes, but is also egoistical and considers herself superior to her peers. Despite this, that Yuko is still friendly with the ideal Maki. The other Yuko lives in a big mansion, which is owned by Katsue Kaneda in the original Mikage-cho.