Seijo no Maryoku wa Bannou desu
Sei and another girl is teleported into another world with the hopes of one of them being the Sacred Maiden/Priestess and was immediately ignored by the Crown Prince (AKA Idiot) who instead greeted the cuter girl and left the room. Sei makes a name for herself using her own strength and just so happens to be the Maiden this world is looking for but she keeps it a secret bc she still kinda holds a grudge for the people in the palaces' behavior towards her (the ignoring that is).
The Hero Who Seeks Revenge Shall Exterminate With Darkness
The Hero (who's the MC) defeats the Demon King and was immediately betrayed by his subordinates. A goddess who has fallen in love with him revives him and he seeks revenge for everyone who killed him.
Isekai Yururi Kikou: Kosodateshinagara Boukensha Shimasu