Oto-na-ri
おと・な・り (original)
An aspiring floral designer and the photographer next door become drawn to each other through the everyday sounds they hear through their shared walls.
Starring Junichi Okada, Kumiko Aso, Mitsuki Tanimura, Yoshinori Okada, Hiroyuki Ikeuchi, Mikako Ichikawa, Tomohiro Kaku, Yutaka Shimizu, Maho Toyota, Mitsuru Hirata
It's a drama and romance movie, and has a rating of 7 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from United States.