GlisteningRain's manga / #Deaf boy(1)

Chapter 4 Hanakawa Tsubaki - MC with shoulder length black hair; had a heart transplant Kusano Ibuki - cute ML with short hair; deaf; attends Aoizaka high school; photography club Shibasaki Osuke - guy with black hair and bangs; dislikes the fact that everyone sees him as “kind” just because he is friends with Ibuki (learned sign language) Azusa - Tsubaki’s sister(?) with long hair and bangs (pigtails) Hidaka Nao - girl with short hair and parted bangs; Ibuki’s friend since junior high; rumored to be in abusive relationships