元配信:MYSTA RIAS GRADUATION LAST STREAM (thank you for all the memories. i will never forget you.) https://www.youtube.com/watch?v=ed9dHPcnLSo チャンネル:・Mysta Rias(Mysta Rias) https://www.youtube.com/@MystaRias ・Selen Tatsuki(セレン龍月) https://www.youtube.com/@SelenTatsuki