u/Hot-You2520

Can anyone tell me about some series where people lose memory of mc like the mc never existed?

I am looking for a series where almost everyone loses their memory of mc like the mc never existed to begin with. People can no longer remember the mc.

Can anyone suggest some series where all the people lose their memory of mc like what happened with Rio?

From eminence in shadow, Cid said that he could only live up to 600 years old but that isn't enough time to accomplish his goals so he wanted to become immortal, but does he actually do it?

I just want you to confirm whether cid/shadow ever become immortal.

I just want an anime like Seirei gensouki/spieit chronicles , it’s literally peak
It’s a fantasy isekai anime where the mc dies and a boy who is an orphan and poor gets his memories ,then the boy saves a princess and he gets to go as an reward to the noble academy, where he gets there isolated and bullied and yea ,an incident happens where he needs to quit the academy where he also gets a bounty head and then he had a journey