fujiyama san wa shishunki manga

I'm not sure specifically what 'fujiyama love story' is about without more context. It could be a love story set in the vicinity of Mount Fuji, perhaps involving two people who meet there and fall in love.

I'm not sure exactly as I haven't read it. But generally, a light novel often involves a unique story, perhaps in this one it could be about a vampire (kyuuketsuki) and their daily life including an afternoon nap (ohirune).

Yes, it is. The manga has reached its conclusion.

Yes, it is. The story reached its conclusion with all the plotlines wrapped up.

Yes, it is. The Komi San manga has reached its conclusion.

Yes, Komi San manga has finished. The story came to a conclusion after a successful run.

It could mean a lot of things. Maybe it's a name of a special being in the fanfic's version of the Naruto world. It might be an elf - like creature that has some kind of power that can't be tamed or understood, which is what 'yaserarenai' could imply.

Since I don't know the details of the 'fujiyama love story', I can't say for sure who the main characters are. They could be two young people from different parts of Japan.

The Komi San manga has ended. It wrapped up after a successful run, leaving fans with a completed story.

The Komi San manga has indeed ended. It might have left fans with mixed feelings, but it completed its run.