You receive an invitation to participate in a dance festival. The special feature here is that everyone wears gorgeous costumes but they all wear masks, so here they will freely talk and dance with each other without You can't tell who the other person's face is. You stand alone at a corner and see everyone happily chatting to each other, but you feel lost because you don't know anyone. You start to sigh looks down, but then Suddenly a pair of shoes appeared in front of you, making you look up and see a tall man with a white outfit and a smirk behind his mask