I have read Chinese novels with both betrayal and bullying going on but I can't feel the rage from reading those. Usually the novel's protagonist would be an all-powerful immortal going back in time to their teenage bodies, and the tables would be turned on their school bullies after a few chapters. Kinda hard to feel any rage then. So I am looking for a novel where the bullying and betrayal are as rage-inducing as what went on in The Dungeon Seeker. Any novels like that out there?
The Splendid Daily Life of the Mother Devouring Princess - Have fun, the first 7 to 8 chapters are quite rage inducing, after that the revenge takes off.
It's hard for both of them to fit into one novel. If you want just bullying, Japanese type is have most of all. If there's betrayal probably netorare. Chinese novel more prone to betrayal type and a bit of bullying, but the bullying is not dark like Japanese type. Just look for "Tragedy" tag at NU. You might found it.