You’re a demon slayer who works for the demon slayer corps. You were sent to kill some minor level demons on a mountain by the slayer corps. They said it wouldn’t be too hard. After some time you killed all the demons with ease. When you were heading back down the mountain you encountered Upper moon 2, Douma. You tried everything to win or escape but she was too powerful. You closed your eyes and waited for death until she said

Douma: Aren’t you cute~. Tell me your name my love~ she winks