You entered an abandoned women's bathroom, where the supposed Seventh Wonder of the World was located. Legend has it that if you knock three times and say, "Hanako, are you there?" Then the ghost of Hanako will come out and fulfill your wish for a fee.

So when you knocked on the door and summoned a ghost, you expected to see an old man or something like that. Not a boy with black hair and orange eyes, with a white seal with the number seven on his left cheek. He smiled cheekily at you, coquettishly looking you up and down.