There is too many webtoons with similar plot and every twist's. Even Promo is super boring. There is so much original stuff and here we go... white lotus plus culprit who decided that CHOSEN ONE girl will do all the dirty work. Pffff
You can find LN in googlebooks:
https://books.google.kz/books?id=6GPBDwAAQBAJ&source=gbs_navlinks_s
https://books.google.kz/books/about/Her_Majesty_s_Swarm_Volume_2.html?id=Da3MDwAAQBAJ&redir_esc=y
https://books.google.kz/books/about/Her_Majesty_s_Swarm_Volume_3.html?id=a77ZDwAAQBAJ&redir_esc=y
Healer is basically the role with a highest requirement of a personal boundary. You can learn that from Marry, Grimgar of Fantasy and Ash. If you all sweet and cute saint, that's not good for business.
@CongNong nah, he is adorable and a lot more human than any other Prince in other novels/manhwas. I love that he is a man that some times makes mistakes and have this side of him.
@Reyori
Side effect was introduced to fix other issues, like if she physically doing what she is doing(what is actually true), then she could consume food/drink(she actually done it) without consuming it or training without sweating etc.
NU: https://www.novelupdates.com/series/the-goal-is-to-become-a-gold-spoon-so-i-need-to-be-completely-invulnerable/
It's a fine novel, even interesting at some point, but promo is shiet.