20th anniversary project special edition!Listen to demo sound sources including unreleased songs! !

This time, we decided to highlight the demo sound source that was very popular during the memory cardboard sorting.

From demos of songs that have been released to unreleased phantom sound sources! !
I'll let you listen to a little bit of this special project.

▼#124 Listen to the demo sound source!

https://youtu.be/r6BR-7jrmTM