Ruler of Your Own World (her family's rich, but they're not exactly multimillionaires)

And I second History of the Salaryman

Mainly about rich girls that has poor guys they like with other rich guys vying for her attentiin: Happiness/I Am Bliss, Lovers in Prague, Mr. Duke, Ballad of Seodong (though he is a actually a prince), witch yohee, green rose


Just normal rich girl-poor guy dynamic: Angel Eyes, Snow Queen, that winter the wind blows, Birth of a rich man, Star's Lover, 99 days with a Superstar, That Fool

I second tatta hitotsu no koi.. its sweet. And since its japan, it has only 10 e