But of course everyone has heard of the seven-volume book series whose title is literally just "Self-Improvement for Isekai Self-Inserts", and it hardly stretches credulity even a tiny little bit if an isekai protagonist happens to have read it!

But of course everyone on dath ilan who reads self-insert isekai fiction at all, has heard of the seven-volume book series whose title is literally just "Self-Improvement for Isekai Self-Inserts", and it hardly stretches credulity even a tiny little bit if an isekai protagonist happens to have read it!