[I have to live alone for the rest of my life because of a curse?!] The only princess of the Frog Kingdom was cursed by a witch. She sneaks into the witch's house to find a way to lift the curse and finally discovers a way! Suddenly the witch's guard found her and they have a scuffle. A mirror in the witch's room breaks... "Where am I? Who are you...?" It's basically a reverse isekai