Bikyaku Mimic, Harumi-san ~Tensei Monster Isekai Nariagari Densetsu~ (Associated Names)

When I noticed it, I was placed in a dungeon as a treasure box. Yup. I don’t know what to say, because I really don’t know. When I was attacked by a human, I tried to flee in desperation, unknowingly I grew a leg. So now, what should I do !? This is a story…