Harmony (2015)

"Harmony" is a 2015 Thriller movie directed by Hiroyuki Ito and starring by Miyuki Sawashiro, Reina Ueda. Set in a future world. Japan has created a great medical technology that controls ethics, health, and social interaction to create a perfect world. Three young girls attempt to stand up to this by committing suicide, but it doesn't work. Years later, Tuan, one of the girls who attempted suicide must prevent a crisis that threatens this "perfect" world.