
Trueeee. You should read the novel. There is depicted even better.
Spoiler.
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Her will to live is obsessively get "revenge" for kael...but when he just doesn't give a crap about it and realize Hess is way too invested in it ...he just wants to stop with that issue... And then Hess life hits a point where she finds herself without a goal in that world...and has to start to understand that that is her real life now...not just a story with fictional characters...

Here, try this one :)
https://guavaread.com/novel/i-thought-it-was-a-common-transmigration/
it’s so good at depicting what might actually happen when you get isekai’ed, like of course you’d lose your mind just a little bit trying to figure out where you’d fit in. like her desperation is SO real and interesting