Kedama no Gonjirou
Japanese title: けだまのゴンじろー
Alternative titles: Gonjiro The Furball
Type: TV
Source: Other
Episodes: 51
Status: Finished Airing
Aired: Apr 6, 2019 to Mar 28, 2020
Broadcast: Saturdays at 10:00 (JST)
Duration: 24 min per ep
Rating: G - All Ages
Studios: OLM, Wit Studio, Signal.MD
Genres: Action, Adventure, Comedy, Fantasy

One day, a timid fifth elementary student named Makoto Maegami discovers a mysterious jumping hairball stuck to its head! It then eats one of Makoto's buttons and suddenly transforms into an alien-like form named Gonjiro.

Gonjiro has the intangible ability to shapeshift itself into anything to "fit" and assist any of whatever trouble Makoto finds himself into. Thus the misadventures of Makoto entangles with Gonjiro protecting him in any "hairy" situations.

(Source: Animanga Wiki)