@Theaetetus,
Welcome Lilith!
Sounds like an interesting set of substantive themes. If you want to get some very thorough information about right or wrong, Ronald Dworkin has some very interesting thoughts on the "penumbra" of law. Essentially the penumbra is the grey area between the light and dark side of the moon. And he posits the view that the penumbra with its craters and mountains is essentially the testing grounds of right and wrong, justice and injustice, etc. But he comes to some very interesting conclusions. Also, you may like to examine existential normative frameworks. I have found the best representations of the theory in black existentialist literature. It is also a good point in black existential literature to examine extreme relativism.
You may also be interested in, (since you are interested in literature, ) etymology (essentially the deeper contexts of words). I found it a very rewarding section of philosophy to understand.
Also, philosophy as a major is very rewarding. Myself and a few others have majored in it when we were at university. There's even a professor on the forum. There are some drawbacks, but the benefits are extraordinary. But everyone here has different degrees and educations that contribute to a very rich community. You'll enjoy it.
Anywho, the site can be very useful to you and your aspirations. Welcome!