Guy gets chosen for something, thinks he's in a dream. Each time he opens the door he's giving up on the quest which results in the quest becoming harder. Unfortunately this guy goes through the hardest Level A. Its justa devil plush screwing up his life.
https://www.nicoobook.com/p/%e4%bd%90%e5%80%89%e3%83%aa%e3%82%b3-%e3%82%aa%e3%82%aa%e3%82%ab%e3%83%9f%e3%81%8f%e3%82%93%e3%81%af%e3%81%93%e3%82%8f%e3%81%8f%e3%81%aa%e3%81%84/1373365
Thank you