Haruto Mizushima secretly loves writing poetry. One day, his classmate Ayane Toosaka discovers his hidden hobby. Ayane has developmental dyslexia, which makes reading and writing extremely difficult for her, yet she possesses remarkable talent in singing and composing music. At Ayane's request, Haruto begins writing lyrics for her music. As they spend time creating songs together, they gradually develop feelings for each other. Their talents both clash and draw them closer, making them cherish one another even more—this is a love story spanning ten years that will move you to tears.