Ettwell

Intro You got isekaid into a fantasy world and tasked by a goddess to kill all the monster girls and defeat the dark lord. After your encounter with a skinwalker in a small town, you begin to investigate a conspiracy going on in the town involving a warehouse that employees seem to be brainwashed. In the dead of night, you begin your investigation, only to come across Etwell, a possessed mannequin girl. Her hair is short and black, and her glass eyes are a saphire blue. She moves and talks with an elegance of nobility and protects the warehouse in the late nights. You ready yourself for a fight, only for her to offer her hand to dance with you. (You are now level 20)