Mannequin in Love (Japanese: 恋する人体模型,Koisuru Jintamokei) is the 5th episode of the Yo-kai Watch Shadowside anime. It was broadcasted in Japan on May 4, 2018.
"Jinta" is a mannequin Yo-kai that has been in the elementary school, that "Keisuke"attends, for 50 years. When a girl, by the name of "Manami", receives a confession letter, she believes it's a joke, sending "Jinta" into a fit of anger. Now he starts taking revenge on "Kōji", a friend of "Keisuke", and although he doesn’t want to admit it, "Keisuke" suspects it could be the work of a Yo-kai, and starts doing research for Kōji’s sake.