The Kind Devil is a oNA (web) anime.

About the production: the story comes from a other, there is 1 episode of about 25 minutes and its current status is "finished".

Its main genres are fantasy, with themes such as Kids and Demons.

On AniList, The Kind Devil has an average score of 52%, an average score, and appears on 202 users' lists.

Foo, a kind boy, lives together with his grandmother. However, Foo has no friends. One day, as Foo is off picking herbs on a mountain to treat his grandmother's illness, he finds himself lost. But then he is saved by a boy demon with bright-red skin named Smoochy. The two kind yet friendless boys meet and become each other's first friend. The two begin to spend their days playing together, until one day Foo suddenly stops coming to the mountain. An Amazon Prime Japan Video exclusive. (Source: Official YouTube channel)

Official synopsis from AniList.