Well anyway, for interest I looked at the genre classifications on the site, to see how they compared with those in the English-speaking world:

Being Englished:
Love
----- Alternative world
----- Real world
Fantasy
----- High fantasy
----- Low fantasy
Literature
----- Pure literature
----- Human drama
----- History
----- Inference
----- Horror
----- Action
----- Comedy
SF
----- VR game
----- Space
----- Fantasy science
----- Panic
Other
----- Fairy tales
----- Poetry
----- Replay
----- Other
No Genre
----- No genre
The genres are quite similar to the ones in use in English (and borrow many English terms, e.g. low and high fantasy, which are just as ambiguous in Japanese). If you're wondering, "Panic" appears to include various kinds of disaster, from zombie apocalypses to Godzilla to plane crashes. "Inference" appears to cover mystery/detective fiction.
The one I still haven't got my head round is "Replay", which seems to have something to do with writing that emerges from the playing of an RPG game or similar. Does that term exist in English too? If so, what does it mean?