Dragon King: Throne of Demons and Gods - Chapter 13: Not a Dog, But a Dragon

The word defeat did not exist for Wei Congying in his relationships.

But the biggest joke was after the prodigal son returned and realized he was someone else’s stand-in.

Three years after breaking up, while sitting in a fast food place in the Isle of Mann, he saw her and discovered an something even more laughable…

He was still in love with this heartless person.

- Description from Novelupdates

A girl who calls herself a demon appeared before a timid student named Fumio Kijima. The girl claims to be a campaign girl from the demon world and she gives him the ability to “summon a room” from nothing but thin air.

At first he doesn’t abuse his power and uses it as a convenient ability in his every day life. But one day he is bullied by his classmates under a false pretext and is made to suffer. In the past he would have wallowed in misery and cried himself to sleep, but now he had a power to call upon.

“I will make them regret it!”

Using his powers to summon his “room”, he begins his era of confinement and brainwashing to achieve his goals.

A mysterious youth who came from a mysterious village, didn’t have the Heart of Tao. Nor did he have the Tao Spirituality nor an unblocked Tao Physique.

However, even in such a situation, he had his heart set on Tao and submitted himself to the Seeking-Tao Sect as a disciple and stepped on his way, an unusual and unique way to Tao cultivation!

After 50 years of being in the position of Hwacheon Clan Leader, Kang-hyuk, widely renowned as 'The Dragon' retires.