Inspired by comments from 10 Most Rewatchable Shonen Anime Series, Ranked
Here are a few examples that I know of:
| title | expected | actual |
|---|---|---|
| Frieren | non-shounen (seinen?) | shounen |
| Attack on Titan | seinen | shounen |
| The Apothecary Diaries | shoujo | seinen |
| Umamusume: Cinderella Gray | shounen | seinen |
| 100 Girlfriends | shounen | seinen |
What are other instances of misidentified demographic you have seen?
Quick and dirty definitions of anime demographics:
- shoujo - girls
- shounen - boys
- josei - ladies
- seinen - men


I don’t think that is the appeal of CGDCT shows for the seinen audience. I think the appeal of CGDCT shows for the seinen demographic is the perceived innocence of girls. Not in the sense of “I’m a mindless, hormone-driven beast and want to ravage that innocent girl”, but in the sense of “I’m surrounded by constant anxiety, malice, and selfishness in my day-to-day life, and watching those innocent girls do whatever lets me forget this for 25 minutes”. Girls are generally perceived as nice and free of malice (before I had two of those myself, I thought the same), so that’s why there are no “cute boys doing cute things” shows. The general expectation for a show following boys would be for it to be more raunchy. Compare K-On! to Nijiiro Days, for example.