If you want to live and work in Japan doing something other than CS but also something that could lead to connections for a future career, look into applying to

If you want to live and work in Japan doing something other than CS but also something that could lead to connections for a future career, look into applying to the JET program. https://jetprogramusa.org https://jetprogramusa.org . Alternatively there are some opportunities for grad students to do research in Japanese universities through exchange programs. Ultimately, there is no one direction or action you can take that is going to guarantee you'll land on a career path that you will find enjoyable so it's more important to just do something and adjust accordingly. You say you'd like to live in Japan - so go do it. Apply to the JET program, apply to companies that will send you there or look for companies that have internship opportunities there. Research exchange programs through your university. If all else fails, just go there and start looking around. There are many options.