"You want a… demonstration of what my party will be like? Very well. I grant you one. You are cordially invited to the Annual Valdemar Halloween Extravaganza. Two weeks of luxury await you. Let’s see if you can keep up the masquerade…" Halloween Otome is an otome visual novel in which the protagonist, Emma Cee (name changeable) wins an invite to a most exclusive and sought out Halloween getaway. What she doesn't realise is that it's far from relaxing. The Halloween getaway turns out to be a annual game hosted for the rich and famous and every contestant is thrown into miscellaneous groups, challenged over the course of 2 weeks.