"Ｔｅｎｓｅｎｕｍａ" reported a problem with sounds and we checked programming code
We found a sound bug!
Instead of using PlayOneShot() function, we used Play() and this really bugged sounds.

We recorded a video with this bug fixed. Now the sounds are working correctly.
https://www.youtube.com/watch?v=hLT7rjjvXQE&feature=youtu.be