MTL - Ninja World: Insect Princess From Konoha - Chapter 845 Stand at attention when being beaten

After her rebirth, Yun Shifei returned to her fifteen-year-old self, just when she became the true daughter of a wealthy family.The well-behaved and timid Shi Fei only wanted to live her own small life well.Who knew she would get involved with the Great Demon King.In her memory, this big shot was extremely ruthless, squandering the family fortune, watching his brother die coldly, and sending his father to prison.But now, the big shot is quiet, obedient, easy to bully, and loves sticking to her.Yun Shifei's heart softened, and she tried hard to protect him.Yet one day, the little poor thing she sheltered pulled her into his arms to kiss her.She was utterly shocked.He looked innocent and said: 'I heard this is a way to express liking. Don't you like me?'That's what it means, but why does something feel off?!

Throughout this current life of mine, I will pay no attention to my past lives, nor will I seek future lives. I wish to live vigorously, to pay back debt of gratitude and fulfill duty to avenge, to defeat valiant heroes from all species, and to proudly laugh at all the Gods and Demons of the Six Path of Reincarnation!

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

Kieran was just an ordinary part-timer — a high school dropout who had also given up on boxing. With no parents and no real family, he survived by working his ass off every day. He was raised by a man he believed to be his father, but later discovered he wasn't — though the man passed away before the truth could fully sink in. What Kieran didn’t know was that he was actually the sole heir to a powerful business empire, the hidden son of a wealthy tycoon.