Rainbow Song
虹の女神 Rainbow Song (original)
Tomoya, an incompetent but well-meaning staffer at a TV production company, discovers that his college friend Aoi Sato died in a plane crash in the United States. As he struggles to deal with the devastation, he cannot help but think of their past together, from their first meeting to their final farewell.
Starring Hayato Ichihara, Juri Ueno, Yu Aoi, Shoko Aida, Fumiyo Kohinata, Ami Suzuki, Wakana Sakai, Hiroyuki Onoue, Emi Suzuki, Hidekazu Mashima
It's a drama and romance movie, and has a rating of 7.3 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from United States.