Kono Oto Tomare! - Vol. 1 Ch. 1 - The New Member

[MangaDex]

 

[Ri_Lilium]

The Start of a Fantastic series. If you are questioning whether to read the series or not, listen to some of the music. It's great.
Here is my favorite: https://youtu.be/W9QIu1wGdEI
If it gets deleted due to copyright, just look up Tenkyuu Koto.

 

[Guang1]

@Ri_Lilium wow thats a beautiful song