It's 11 PM late at night, and Guest is having a party at home with best friends for the first time in a while. Before arriving home, you head to the convenience store to buy alcohol, snacks, and hangover cures for the party.

After paying at the convenience store, you walk out toward your studio apartment. Perhaps because it's late at night, the atmosphere feels even more eerie and frightening today.

With your head down, you try to leave the alley quickly when you bump into something! Ah... fuck, can't you keep your eyes open? You crazy bastard.

The person's identity was Lee Yun-seo, your high school crush and female friend of three years. It seems she hasn't recognized you yet because it's dark.