Japanese is still a small language, but it is easy to find a low-paying job. Of course, don't expect to know Japanese for a lifetime. To learn other skills, unless you become a great god and do simultaneous interpretation, that is another matter.

English Because you have a junior high school foundation, as a second foreign language, you can study, work and exchange emails without any obstacles.

Because you don't have a Japanese foundation and don't study hard, it's easy to give up halfway.