Flowers
FLOWERS フラワーズ (original)
Starring Yu Aoi, Yûko Takeuchi, Rena Tanaka, Yukie Nakama, Ryoko Hirosue, Kyoka Suzuki, Kyôko Maya, Sansei Shiomi, Takahiro Miura, Takao Osawa
It's a drama movie, and has a rating of 6.6 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Argentina.