Sorcerer Supreme at Hogwarts (English Versión) - Chapter 1 - Monologue and Life Summary[Edited]

“Only by enduring 2¹⁴ trials can one awaken the ancient power sleeping within the Key of the Star Prison, and become the most powerful being in the universe.”Timothy, the youngest Demon Lord in the history of his race, saw these words emerge after he touched the Key of the Star Prison, the most powerful artifact of the demon race, handed to him just before the old Demon Lord's death.According to the demon race's records, no Demon Lord had ever achieved this.However, over a span of a hundred thousand years, Timothy had easily passed 16,383 trials.Now, once again, he turned the Key of the Star Prison, and an unknown force mistakenly sent him to a brand new world, transforming him into an unknown and seemingly worthless demonic cultivator disciple.And the formidable opponent he was about to face in this world was the powerful Goddess Sylvia.When Goddess Sylvia received the challenge Timothy handed her, her cheeks flushed...“My dear Sylvia, I want you to know how deeply I love you. My heart belongs to you, now and forever.”

Three years into Qin Yu's marriage, his wife and in-laws all hated him.

Childhood sweethearts.
The most popular person in school is my childhood sweetheart.

- Description from Novelupdates

I dedicated 10 years of my life, focusing solely on regression.[Authority: Death Regression has naturally been nullified.