Creepy is one word for it. Deeply disturbing is two.
CREEPY
Kiyoshi Kurosawa
2016
Hidetoshi Nishijima, Yuko Takeuchi, Teruyuki Kagawa, Haruna Kawaguchi, Masahiro Higashide
Screenplay by Kiyoshi Kurosawa and Chihiro Ikeda; adapted from the novel Creepy by Yutaka Maekawa