A number of stories with your whacky couple of Casey Jones and Hybrid-Ninja Turtles.

Mating season takes a toll on many animals. Mammals or not. But one thing that takes a toll on the guys, is when they go into heat. And their urges tell them to breed.

Sonadow in the world of Sonic boom. Enjoy. ⚠️NOTICE!⚠️ I have not, and I repeat, NOT, copied this from anywhere. This is my own story, and ideas. If you say I'm stealing your plot, I'll read your story and compare them. So, this is my own story, and if you think I copied, go read another story. ⚠️NOTICE!⚠️