I Can Speak
아이 캔 스피크 (original)
Starring Na Moon-hee, Lee Je-hoon, Seong Yu-bin, Yeom Hye-ran, Lee Sang-hee, Jeong Yeon-joo, Lee Ji-hun, Park Chul-min, Son Sook, Kim So-jin
It's a drama and comedy movie, and has a rating of 7.5 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.