Mythical Beast Kindergarten [Crossover + Primordial World]

The legendary primordial beasts are all ferocious, with powers that reach heaven and earth. They can stir up rivers and seas with a move, or turn day into night while sitting still. ...But what on earth are these things? Shen Baizhou watched the little beasts rolling around on the ground and acting cute, with not a shred of dignity, and began to doubt whether any of the myths he'd read were true. Worse, these little things weren't shy around strangers at all. One after another, they climbed up his legs, while the ones that could fly perched on his head, ready to make a nest! The beast clan leader, speaking in a thick Northeastern accent, said with a grin, "Hey, little brother, from now on, you're in charge of looking after our kids!" Shen Baizhou: "..." Could he say no? A Qilin seme who plays the pig to eat the tiger x a human uke who plays nanny Premise: