The Princess Consort Has A Lethal Destiny - Chapter 69 - Skull Observation

A perfect exercise has created a mythology academy that makes the heavens and the world tremble.

The invincible dean leads a group of teachers and students who are not afraid of the sky and earth to compose a myth together!

When hundreds of millions of years have passed and he is no longer in the world, there is one title that still makes the world tremble: Dean!

- Description from novelbuddy

After clicking in a online game and choosing Dragon as his role, Ron passes out and transmigrates as a true dragon in another world. The first crisis he encounters, however, is that his mom doesn't seem to like him.

Some say reincarnation is a blessing, but for me, it's a dreadful curse. Cursed with endless reincarnation, I've been reborn as a villain 137 times. And all 137 times, I've been toyed with and killed by heroes who are far more cruel than the said villains... If I can't win no matter what I do, then I'll crush those so-called heroes at their very roots. - Quality Fan Translations, Made by Fans for the Fans - Villain Takes Over The Academy

He was a wealthy and mysterious financial backer who had appeared before her when she needed money the most. After the courtship, she took the money and left.