Hello Tora and welcome to SVSLearn Forums. I haven’t been a teen for a long time, but use to hang in the same social circles <insert Steve Buscemi skater meme>.

You’ve likely already started doing your research about animation courses and how the Japanese industry is like, but I would like to drop a few helpful links:

YouTube: Animator Dormitory Channel Here you’ll receive a working Japanese Animator’s honest discussion about pay and work conditions.
https://www.youtube.com/channel/UCsLPWmJXcELI3QTuqzNqkVQ/videos

NHK World – 10 Years with Hayao Miyazaki A documentary that follows Miyazaki as his studio was creating Ponyo. He's is retired now, but the workplace culture he fostered must still be present.
https://www3.nhk.or.jp/nhkworld/en/ondemand/program/video/10yearshayaomiyazaki/?type=tvEpisode&

YouTube: Software used in the Anime Industry
https://www.youtube.com/watch?v=2DSnKa--aMM

You may want to do research on the studios that are working on the latest animation series on Netflix, Hulu, etc. It may be easier to break into those places first. Also, Ghibli recently released their first fully CGI movie. Perhaps they need more 3D animators?

Lastly, LightBox Expo, an event for those who want to get into the animation and video game industries, is happening now, running to Sunday. Check it out. Some videos are being recorded and living on YouTube or Discord, free to watch.

Best of luck to your career. がんばって!

BTW, have you read or watched Beastars ? It’s Zootopia for an older audience.