Uncle Nine: Join the Cub Chat Group at the Beginning

The protagonist travels to Uncle Nine's world and joins a chat group. It's just that the members are all little brats: the beast-milk-loving Emperor Desolate, Kanna, the dragon maid from the Krillin family! Magical Girl Sakura, Nezha the Magic Pill, Tushan Susu, Haibara Ai (??? Is this considered a cub???), Xiaoyu from Jackie Chan's Adventures, and Son Goku from Dragon Ball...