[Book City Search Le Jiang or Miss Idiot Breaks into the Harem] She is a super black-bellied and rich lady in the 21st century. She was mistaken for an era when martial arts were popular, and she became a weak and idiot lady...Family fight? She doesn't know, the teacher only Has taught fighting! War between humans and demons? She doesn't know it either. Dad only taught her business warfare? What? The princess's princess carefully designed by my sister? Well, let's grab it, anyway...