Su Shen Xiao Ren
English name: My Little Invisible Being
Genres: Comedy, Slice of Life
Type: ONA, Episodes: 12
Aired: Oct 5, 2020 to Dec 14, 2020
Source: Original
Rating: PG - Children
Synopsis:
One day in 20XX, the alien pig prince who planned to take a human body as his home arrived on Earth, but unexpectedly discovered that the human being he wanted to live in had not yet been born! The pig prince, who has nowhere to settle down, got to know Saiji and Rubi. The three pulled various funny pranks on humans, causing humans to have baldness, bad breath, headaches, emotional crisis and other problems.

(Source: bilibili, translated)