I saw this very interesting and useful Q&A: Is ending question sentences with の really feminine? a while back, and it seemed to align with my own understanding of the 終助詞の. But I have heard this usage from male speakers, both (very occasionally) in real life and (slightly more commonly) in anime, movies and online communication, which makes me wonder if this statement found in the accepted answer is really accurate.
Decidedly feminine is when you end a statement in の
I just heard this line in an anime:
A little research on Google revealed other similar examples:
A line seemingly uttered by a male character in a novel:
Is it over-generalized to think の only occurs in female speech? What kind of men use の this way?