Rainbow Rose.

A university student's home unexpectedly becomes the epicenter for international students. Han Yoo Ri is a college student whose family suddenly faces a crisis when her father runs off with another woman. To be able to continue to live in the family's large home, Yuri's mother decides to take in international students as boarders. As student start coming, various problems start to arise due to the differences in cultures and customs. The most trouble Yoo Ri has is with Yuichi, as they have opposite personalities, so they don't really get along well. (Source: Amazon.com; MyDramaList)