POPIPA IS DOING ROMEO & CINDERELLA HOLY HECK
no idea about the other two. maybe Alien Alien for HaroHapi but Afterglow ... idk. it's been so long since I was super involved in Vocaloid hhh
//e: a friend pointed out Afterglow could be 1925 and if that's true I'M REALLY HAPPY I LOVE THAT SONG