1. When the main focus is the connection between characters, this can be romantic or platonic.
2. When the focus is on events such as kingdoms at war, a battle against a demon king, etc.
3. No, those two already cover everything.
Congrats! Even if it's common, you should be proud of your accomplishments. I myself decided to quit highschool midway through and just jump into college early (I got my associate's degree).
The first looks the most like a book, but the fourth is the best cover by far. The pink stands in contrast with the background so it will catch the eye of someone scrolling through the recent posts.
So many crimes only happen because people want the attention that they would only get over the Internet. Additionally, the Internet's ability to connect fring groups has made people forget what the "real" world is actually like, they only see what they want to see, not what is going on around them.
I'm looking for a read where the MC doesn't have some power that makes them inherently better than the other characters. I have nothing against strong characters but I want it to feel like they actually earned their power.
In the situation you are talking about, that would be completely normal. It can be a turnoff if the MC cries WAY too much, or at any inconvenience, but in your situation there is nothing wrong with it.
I'm making this public service announcement because I see quite a few people on here complaining about translated novels (Mostly the poorly done ones). All you need to do is set your release filter to not show martial arts novels, that's like 70% of them gone. Yeah, you'll miss some actual...