Mirai no Bokura no Tame no Sonata

What is talent? What is a way of life? A bittersweet youth music story begins!

In her childhood, a girl with a terrifyingly remarkable talent crossed paths with Youichi Fuzuno, who then strayed from the path of music. He continued to live a life where he couldn't immerse himself in anything. However, he was warned that if he continued like this, he would have to pay for his tuition. At that moment, his classmate Hitamura asked him to create songs for a music posting site. Although Fuzuno intended to refuse, his younger sister, Fuyu, wished for her brother to start making music again...

(Source: Kadokawa, translated)