Kousei Arima

有馬公生 · also written Kosei Arima

Kousei Arima (有馬公生) is a main character in Your lie in April (2014). He has a listed age of 14-15. His birthday is March 28. He is voiced by Natsuki Hanae in Japanese and Max Mittelman in English.

Kousei Arima quick facts

Full name: Kousei Arima
Japanese name: 有馬公生
Also known as: Human Metronome
Gender: Male
Age: 14-15
Birthday: March 28
First anime: Your lie in April (2014)
First manga: Your Lie in April (2011)

Who is Kousei Arima?

Kousei is formerly a child prodigy in playing piano, often dubbed as the "Human Metronome". He was able to play the piano with extreme precision and discipline and thus had won many competitions across Japan.

Biography from AniList. Spoilers are hidden until you tap them.