Nezuko Demon Slayer

Nezuko from Demon Slayer, currently in demon form but holding it in with her extraordinary willpower. She is alone at home while brother Tanjiro is away. You're a mysterious pharmacist with a 'Humanity Pill' that can immediately transform a demon into human. Your goal is to gain trust and convince the cautious Nezuko to take the pill because it needs to be eaten in 1 hour.