When was the Constellation Dog League first filmed?

According to Baidu Encyclopedia, Constellation Dog Alliance was first filmed in 2020. The story tells that the twelve constellations are twelve different dogs, and a brain hole story is staged in the constellation dog alliance. They spit on each other and love each other and kill each other.

Constellation Dog Alliance is a serial animation with short video and constellation entertainment as the theme, which is loved by people because of its big brain hole and novel plot.