surviving as a hero

everyone must have read those next generation villain stories, right? stealing hero's harem and lots of face slapping. I'm also finding myself in this type of world ... except [ding] you are now inside an novel dear host. "huh...oh that means breaking plot armour of protagonist-" [ding] as the main protagonist of this novel. . . . "wha-" [ding] congratulations dear host. . . . "WHAAAAAAAT" A/n: thumbnail isn't mine