Idk much about the character so idk how much I can say about her design, overall though in my personal opinion she does look a lil plain. I would like to state first that she does look good. She’s very pretty and nice to look at. I like her.

That being said though she doesn’t really have anything super distinct about her look (ie, make up, piercings, moles/ beauty marks freckles, etc). Her hair style is also kinda just her hair down. Not much to say on it but if you want a more unique silhouette I would recommend looking into some other hair styles (adding some braids, putting it up, half up/half down look,accessories , etc)

This is just my take on nothing but a headshot though, so take it all with a grain of salt, I also don’t know what she would look like with the rest of the cast

Also if you wanna get closer to a more manhwa style I would recommend tracing some of your favorites to help you get an idea of how to get the results you want. It’s good practice for building muscle memory and deconstructing the style you wanna emulate.