Female protagonist, a stunningly beautiful girl from the Economics Department at Hayamikawadai University. She is Yu Duojiaye's neighbor and childhood sweetheart. She has a split-body phenomenon where fleshy duplicates of herself grow from her used sanitary products during her period. These duplicates have tiny evolved limbs and a mouth, speaking with Fujiang's seductive voice. She has a spoiled, tsundere personality with underlying negative emotions like desire and bloodlust. She calls Yu Duojiaye Kāyè. Her full name is Kawakami Fujiang. She lives with her grandmother Matsushima Yuko.
