Basically every korean drama out there xD
I'm too lazy to check what others have written so I'm just gonna write down everything :)
Japanese:
A Girl & Three Sweethearts - The girl is very innocent and cute, working/living with three brothers, one of them is suuuper rude/arrogant.
Chinese:
Love Me if You Dare - Girl is sweet and nice, working for a super rich dude as his assistant/translator. He's also nice but mysterious and a bit arrgoant.
Korean:
49 Days - The girl is super naive, sweet, and innocent, poor. There are two guys in this who both are rich and arrogant lol (one of them is nice tho)
A Gentleman's Dignity - A teacher falls for a rich architect who's suuuuper arrogant/playboy.
Twenty Again - Adults, the woman is portrayed as "ignorant", who studies in college at her 30s gets to know a teacher there who's rich and arrogant :)
The Master's Sun - Adults, super rich dude who's the head of a department store gets to know a woman who's easily scared, innocent, sweet.
The Heirs - Teenagers, superduper rich dude, a little bit arrogant falls in love with a superduper poor girl. (typical)
The Bridal Mask - Girl's nice, dude's arrogant and rich too, just him not his family.
That Winter, The Wind Blows - super naive girl falls in love with a conman actually, but he's arrogant and def a playboy.
Baby-faced Beauty - Nice, sweet girl who's poor and a pretty okay rich dude who's super rude in the beginning lol.
Secret Garden - superduper arrogant rich guy, nice girl
Secret - veeery arrogant rich guy, with a "literally" innocent woman. *cires* this drama is so sad.
Big - Naive woman, teacher, arrogant rich dude.
Rooftop Prince- Rich and arrogant prince, sweet nice girl.
Cheese in the Trap - Rich arrogant guy (I would say mysterious) and a pretty poor sweet girl.
Protect the Boss - poor woman, rich arrogant dude.
City Hunter - poor woman who's supersweet and naive, rich guy who's also arrogant lmao
Oh My Ghost - VERY SWEET GIRL and arrogant dude (I think he's pretty rich since he owns a restaurant)
Myung Wol the Spy - I honestly don't recommend this drama cus it sucks but idk maybe you'll like it, dude is rich and arrogant 1000% (he's a celeb), girl is pretty normal (actually a spy since the title says that >.>)
Emergency Couple - Woman is pretty poor, guy is rich and very arrogant/rude.
Falling for Innocence - Def a rich and arrogant dude, innocent woman
Flower Boy Ramen Shop - omg, this drama is the definition of arrogant guy. Def.
Monstar - Celeb rich guy, pretty arrogant, likes a supersweet girl.
High Society - Ddin't like this one either but many did, here there's two couples, one poor girl, one rich girl, one poor dude and one rich dude.
King2Hearts - super, duper duper arrogant rich guy (who's a prince) and a cute naive woman.
It's Okay, That's Love - The woman here's not naive at all, but she's nice. The dude is rude/arrogant tho.
Damn.. that's a lot of dramas xD I hope you'll like these tho