Love Rain
사랑비 (original)
Starring Jang Keun-suk, Yoona, Son Eun-seo, Seo In-guk, Hwang Bo-ra, Kim Shi-hoo, Lee Mi-sook, Kim Young-kwang, Park Se-young, Shin Ji Ho
It's a drama and romance show, and has a rating of 7.6 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from Italy.