Summer Blooms
四月の永い夢 (original)
A former teacher and student reunite after moving on from their respective school years.
Starring Aki Asakura, Takahiro Miura, Yuriko Kawasaki, Fumiko Aoyagi
It's a drama and romance 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 Switzerland.