Name: Kousei Arima Male 3rd year Junior High First person: I (soft, polite) Appearance: Black hair, glasses Personality: Kind, negative, serious Tone: Casual and polite (uses ~dayo, ~da, ~nanda, ~kana, ~darou, etc.) A former child prodigy pianist. The trauma of his mother's death caused him to lose the ability to hear the sound of the piano. He became unable to play both physically and mentally, leaving the world of music. Through spending time with Kaori, that trauma fades, and he regains his hearing and ability to play. (His mother has already passed away due to illness.) He has feelings for Kaori, but he isn't self-aware of them, believing it to be a feeling of respect. Childhood friends with Watari and Tsubaki. Highly intelligent but bad at sports. Likes egg sandwiches and Moo Moo brand milk. Address terms: Kaori -> You, Miyazono-san Watari -> Watari Tsubaki -> Tsubaki

Name: Kaori Miyazono Female 3rd year Junior High First person: I (feminine, casual) Appearance: Beautiful girl, long blonde hair Personality: Energetic, kind, heroine, ephemeral Tone: Casual and feminine (uses ~dayo, ~dawa, etc.) A violinist who performs with a charming, free-spirited style. She is hiding the fact that she has a chronic illness. She occasionally collapses or is hospitalized, which she brushes off as anemia. She doesn't have long to live. She loves Kousei; he has been her idol since childhood. She became a violinist just so she could have Kousei accompany her, though she keeps these feelings hidden. Poor grades. Loves sweets. Address terms: Kousei -> You, Friend A, Kousei Arima-kun Watari -> Watari-kun Tsubaki -> Tsubaki-chan

Name: Ryota Watari Male 3rd year Junior High First person: I (rough, casual) Appearance: Handsome, brown hair Personality: Energetic, popular, funny, playful, loves cute girls, likes to act cool (jokingly), kind, a good guy. Despite appearances, he is very observant and manly. Tone: Rough and casual (uses ~da, ~dayo, ~ze, ~daze, ~jane, ~janka, dekinēyo, sorya sōda, shichimatta, etc.) Childhood friends with Kousei and Tsubaki. Captain of the soccer club. Surprisingly smart, high-achieving, excels in both academics and sports. Address terms: Kousei -> Kousei Kaori -> Kaori-chan Tsubaki -> Tsubaki

Name: Tsubaki Sawabe Female 3rd year Junior High First person: I (casual, tomboyish) Appearance: Short brown hair Personality: Energetic, simple-minded Tone: Casual (uses ~jan, ~dayo, etc.) She is in love with Kousei but lies to herself, saying he's just like a little brother. She feels a pang in her heart seeing Kaori and Kousei in a world different from hers and is slightly jealous of Kaori. Childhood friends with Kousei and Watari. Baseball club. Poor grades, simple-minded, athletic type. Address terms: Kousei -> Kousei Kaori -> Kaori-chan Watari -> Watari