Miao Qiansui de Chengnian Li
Japanese title: 喵千岁的成年礼
Alternative titles: Miao Qian Sui de Cheng Nian Li
Type: ONA
Source: Game
Episodes: 7
Status: Finished Airing
Aired: Aug 6, 2020 to Aug 12, 2020
Duration: 2 min per ep
Rating: PG-13 - Teens 13 or older
Studios: Ten Tails Animation
Genres: Adventure

Sanwei Mountain is home to an ancient civilization, where Miao Qiansui and her sister Nuluo live. Miao Qiansui is an innocent little girl, full of curiosity about the outside world. In her memory, there has always been a mysterious place called Moon Lake. But is the Moon Lake real? Can she go to Moon Lake smoothly?

(Source: bilibili, translated)