Reincarnated as a Dragon, Recognize a Mother at the Beginning

Okay, here's a quick synopsis: The reincarnated dragon egg was actually identified as the most inferior useless dragon in the royal family! Forced to become the companion dragon cub of the little transparent Loli princess, he became the laughing stock of the academy at the beginning. Laughing at her? Despise me? A direct slap in the face on the field! Let's see how the combination of the black-bellied dragon cub and the well-behaved "mother" counterattacks all the way, shocking the whole hospital, bravely entering the dragon competition, and creating their own legend! And all this is just the beginning of stirring up the world...