Pig Hero: Little Heroes of the Deep Sea!

To help General Raiden find someone, Klee even went so far as to blow up the outhouses belonging to Zhongli and several others!

As a result, Jean chased her around and beat her for three days and three nights. And to find someone herself, the Traveler bundled Paimon up and sent her to Klee's house. Furious, Paimon immediately cut ties with Lumine. The two of them cried all night on Starsnatch Cliff in Mondstadt, only to be struck by a meteor and transmigrate. Just like that, Paimon became the System.