SS004

is the 4th episode of the Yo-kai Watch Shadowside anime. It was broadcasted in Japan on April 27, 2018.

Summary
''Recently, posts about a strange incident called “Mottainai-otoko” have been increasing. It’s rumored that Mottainai-otoko inspirits children who leave behind food while and then, the weakened children keep on losing weight and end up dying. Now it's up to Natsume and the others to solve the mystery of the Mottainai-otoko.''

Humans

 * Natsume
 * Keisuke
 * Touma
 * Akinori

Yo-kai

 * Mottainai-otoko
 * Benkei (Genma)
 * Omatsu