QQQ's Manga

The characters are all so one directional and the plot is going uselessly fast but dwindle on small unnecessary areas. I don’t understand why the male lead even likes the female lead and the ex being revengeful just makes him a “villain”. I find it difficult to root for the female lead because she just seems bad at whatever she’s doing and acts as the “clumsy sweet doormat”. I feel like this trope is already overly cliche and really needs to change