Generic "My Skill seems useless"
Generic "The Party hates the MC for no reason"
And Generic "Isekai design"
Also Slime being the MC partner in these Isekai is slowly becoming generic as well...at least try Art actually looks good and high quality
I assume we're gonna get some backstory from the previous Grail War between Nobu and her.
It's purposely ment to be vague and make you wonder what was there relationship like prior.