Can i live in japan as 20-21y old?

Hello, i am an young man just about about to start my army service which will last 8 months in those months i will get paid monthly and this where I need advice

Ive been dreaming on going and living in japan for years, i am gonna try to save some money but i have no idea how it really works but i have experience abroad so i am not completely unsure, what makes it annoying is that I spent time in Europe so asian countries will be new to me outside internet

So if anyone could help me make a plan in reasonable amount of time (for example 1/1&half year) would be amazing

My current state/info
I am 20 by the time I finish army ill be 21, i will be able to save up around 2000GEL (i live in Georgia 🇬🇪) i dont want to live in tokyo and would prefer a lowkey place more. Jobs and experience- I know English, some coding, hiragan & katakana I worked in bars, as a teacher, real estate agent and now army, i have passport, no criminal history, high school diploma no college, no medical problems or handicaps, i have friendly and professional personality depending on the situation but by nature i am introverted and can get along with people and maintain strict relationships, i can easily adapt (i slept on streets in Germany) i take care of myself (adding this because it seems like an issue in japan or something from what ive heard) and most of all i just love japan and Japanese

by DungPunk111