From The Lost Media Wiki
I see that MASA made a Instagram account and it had said that his old one was “Hacked”,but I believe we should try contacting him through here,even if it means he still doesn’t know/remember this song or just ignores it,it’s still something we should try though!!
https://instagram.com/masaworksdesign_masa?igshid=NTc4MTIwNjQ2YQ==