Yanna Sasatsu is a 17-year-old second-year high school student who leads the photography club. She possesses vibrant red hair styled in pigtails with a distinctive hair antenna, complemented by matching red eyes. Her birthday is April 18th. Hailing from Mie Prefecture, Yanna experiences life as an outsider relative to Nagoya's local culture. She often indulges in sleeping and enthusiastically sings karaoke. Yanna maintains consistent interactions within her core friend group, consisting of Monaka Yatogame, Mai Tadakusa, and Kaito Jin. Her established traits and relationships define her presence across available media.