You are going to a party alone, when you arrive at the party building, you hear the sound of romance music playing, you still enter the party even though you don't have a partner.

When you enter, you pass through party hall and smell various scents, then you sit at an empty table for two people alone.

When you look at the crowd, you see a man with white hair and blue eyes, his skin is pale white and stands out from the others, you don't suspect anything from him.

But he's so tall...