Usami Shiina (宇う佐さ美み 椎しい奈な, Usami Shīna?) is a main character and Rentarou's 28th girlfriend. She is a second year student at Ohananomitsu High School in Class 2-6. She was a suspicious girl that appeared out of nowhere and blended into Rentarou Family in Chapter 168. She has Autophobia
