The Garupa-original song coming in RAISE A SUILEN's Part 2 is titled '!NVADE SHOW!' It will be a part of RAS's album 'ERA' and will come with an MV! You can hear a preview of it in the CiRCLE stream!

Follow up, the preview video for ERA was released which has a much longer preview of !NVADE SHOW!. Hopefully, the link takes you straight to it. If not, you'll find it.