My Strategy Must Be Wrong

I thought it was a dungeon for a house fight, but only three chapters later, I got the news that the engagement was broken off. I thought it was a romance copy, but it turned out that it was chapter 20 and the male protagonist was nowhere to be found. I thought it was a self-improvement copy, but it turned out that after a hundred chapters, women are still accessories. What the hell kind of guide is this! ! ! The author's name is useless and the copywriting is useless. Purpose: Women should strengthen themselves