[Instrumental] 『壁ドン！ SONG♪』「そのカレ、矢那木朔音『Love letter』」／ Murase Ayumu (村瀬歩) 

This video is not mine. All rights goes to their respective owners.
I don't know if anyone uploaded this song or not, but I just wanted to make it available on RU-vid.
Links :
Watch on bilibili app for full quality.
b23.tv/stLL9sp
Please purchase and support them.
e-fifth.net/iqcd-1013/
Please listen to the original sample soundtracks.
st-noix.jp/irisquartz/kabedon_dwm/