I Became Tokai Teio, but the World I Transmigrated To Is the End of Darkness

I stayed up all night playing Uma Musume, died, and then transmigrated as an Uma Musume. I planned to dominate the racetrack and fulfill Tokai Teio's dream of winning the Triple Crown undefeated, but then I suddenly realized that the world I'd transmigrated into wasn't Uma Musume.