苦学くがくせい
kugaku sei

Noun

1. self-supporting student; working student

あおいは、苦学くがくせいだから、そんな高級こうきゅうなもの、持てないです。
aoiwa kugakusēdakara sonna kōkyūna mono motenaidesu.
I'm putting myself through school, so I can't have things that are that expensive.