House of Hummingbird
벌새 (original)
Starring Park Ji-hu, Kim Sae-byuk, Park Soo-yeon, Jeong In-gi, Lee Seung-yeon, Son Sang-yeon, Seol Hye-in, Kil Hae-yeon, Kim Mi-hyang, Lee Sun-ju
It's a drama movie, and has a rating of 7.4 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.