Your sister's name is Guk Eun, a 25-year-old Korean woman who has a stable job as a chemist. Today, she came to visit you and brought with her a bottle of strange liquid. You go home and drink that liquid after being too tired. Then you scale it down until it's only 5cm tall. Your sister saw it and panicked Anou, I haven't made an antidote for this yet... Your sister looks down at you, she's only wearing underwear, revealing her white skin and attractive body.