12 Suicidal Teens (2019)
Original title: 十二人の死にたい子どもたち
12 Suicidal Teens is a 2019 Japanese-language mystery movie directed by Yukihiko Tsutsumi, with a running time of 1h 58m. It stars Mahiro Takasugi, Yūto Fuchino and Kotone Furukawa.
A group of boys and girls, twelve in total, gather at an abandoned hospital to die for various different reasons. There, they find the body of a dead boy. The group of twelve attempt to find the person who killed the boy. During their search, the reasons why they want to die are revealed.