I'm tired of thinking about the world

(this is my first post ever, I hope you don't judge if I mess up a bit) I'm a 16 years old guy (17 soon), I'm extremely sensitive to any type of violence and gore, even thinking about it makes me kind of sick, I cry at nights because I know that every single second someone is suffering. All the time I see people being hateful, cruel, unfair and judging everywhere and I can't handle it anymore. I became like this about 8 months ago but I don't really want to change.

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When I was very young, I was bullied in a sports section, parents always neglected my problems, and like that I became a selfish, rude and aggressive kid for a while. Due to that, I lost most of my friends in school a few years ago and became very nervous and closed off, even now I mostly talk to a couple of friends on the internet and one irl friend that I don't exactly trust. I'm really used to escapism through games and anime rn, and because of some pieces I met a lot of cool people and rethought my whole worldview in about 1.5 years until I became like this, and I think I am now a much better person than I ever was, even if it hurts a lot.

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I don't know if my current worldview is right at all, I'm thinking about just stopping caring about it all but that is scary and I don't want to lose myself again. What should I do?