Miyabi has lost her voice from losing her happy family, and she is adopted by Naozumi who runs a piano school. There, she meets Yue. Yue has loved Miyabi's piano-playing since he was small; he stops playing piano, and looks at Miyabi who closes her heart to the world. Thus, he becomes desperate trying to bring her back to the world of sound, but...
Kiss & Harmony is finished and has 1 Volumes and 5 Chapters. It is also Known as: 今宵音降る空の下, 今宵音降る空の下, Kiss & Harmony, Koyoioto Furu Sora no Shita
Top Manga Like Koyoi Oto Furu Sora no Shita [2022 List]
2. Kimi ni shika Kikoenai

A timid schoolgirl imagines owning the ideal cellphone in her head, but one day, there is a connection; the phone rings in her head, and someone is on the line!
Note: Tsuzuki Setsuri also did a manga based on the same novel.
Nobody Can Hear Me But You is finished and has 1 Volumes and 5 Chapters. It is also Known as: きみにしか聞こえない, Calling You, Can You Hear Me?, Nobody Can Hear Me But You
1. Koisuru Piano

Nakaba used to play piano with her friend Haru, and they both enjoyed playing a song composed by Chopin, which then became their little secret piece. When Haru transferred to another city, Nakaba decided to give up on piano because she thought that the notes were just some mere dots on the paper and it was just too hard to understand them.
Six years later, her childhood friend Haru comes back and moved to her school just to see her again. Despite knowing that Nakaba had stopped playing piano for years, he still wants to play their secret piece and practice in a duet wtih her. Unfortunately, as Nakaba realizes, it is not going to be like old times because Haru has changed and he doesn't seem so gentle like before. What will Nakaba do?
Koisuru Piano is finished and has 1 Volumes and 3 Chapters. It is also Known as: 恋するピアノ, Koi Suru Piano