The relationships are

Erika, the shark girl x Tiana, the fox boy Nicole, the cat girl x Miles, the dog boy Rei, the cheetah girl x Liam, the lion boy John, the leopard boy x Byte, the protogen Jacob, the dragon boy x Emily, the snake girl Lila, the cow girl x Fred, the bull boy Dillan, the panda boy x Kyla, the red panda girl

Me x Dash, the wolf boy