Suzu is a supporting character living on an island near Okinawa. She is in a relationship with Eri, and the couple later moves into a nearby apartment together. Suzu maintains friendships within their social circle, which includes Shun Hashimoto and Mio Chibana. She attends group gatherings, such as a dinner with Shun's aunt and Mio. Observant of others' interactions, Suzu particularly notes the dynamics involving Shun, Mio, and Sakurako. After Mio intervenes in an uncomfortable incident between Shun and Sakurako, Suzu voices concern for Mio's feelings. She typically speaks in a quiet and polite manner. Suzu has light-colored, medium-length hair ending at her jaw and blue-grey eyes in the anime adaptation.