The Doctress with Healing Hands: Your Highness, Please Behave Yourself - Chapter 22

In the endless Universe is eight primordial laws. Each of the eight laws have been fused with a supreme expert, but unbeknownst to everyone, there is a ninth law in the universe. It tears open the Primordial Chaos and is beyond reach.

Di Jiu—whose name is a homophone for ‘ninth’—is the ungifted son of a powerful Di family clan in the Ji Nation as he lacks martial roots. Unwilling to resign to his fate, he practices medicine, hoping to one day cure himself.

- Description from Novelupdates

My name is Lux, and I have traveled to the space-time matrix consisting of seven parallel Naruto worlds. The system shows that once the unification of the seven Naruto worlds is completed, I can instantly become immortal and live forever.The mission is very difficult, but luckily, I can cheat a little.So, I decided to take Senju Hashirama to see how Tobirama dies.Bring Madara to witness how his heart is ripped out by Black Zetsu.Show the young Hiruzen how he is killed by Orochimaru.Take Minato to see how Naruto is ostracized.Take Tobirama to see how the Senju and Uchiha Clans are wiped out.Maybe I can capture Boruto and return to see Naruto at his peak during the Fourth Great Ninja War?

In the eyes of outsiders, Hyuga Yuuto is a genius in the traditional sense of the Hyuga family:

Tough, strong, gentle, and calm, he is a partner worth relying on at all times.

However, no one knows, in countless silent nights.

The young genius of the separation family stroked the caged bird engraved on his head and fell asleep with the sharp needle in his mouth, fearing that in his sleep he would reveal the madness and anger deep in his heart——

“What Uchiha Itachi can do, I, Hinata Yuuto, can’t dare to do?”

- Description from novelbuddy

When the human princess, Lareina is sent as a bride for a peace treaty between the demons and humans, she ends up in a political marriage with the second prince of demons, Prince Azrael. Lareina falls for his gentleness that sets him apart from the rest of the demons in her eyes but on the night of their wedding, he is deployed to the war.Years after his abrupt departure, Azrael has finally emerged victorious and returned. However, much to Lareina's dismay, he has brought back a beautiful demoness with him. At the receiving end of his hatred, a heartbroken Lareina tries to save their marriage until all her hopes are shattered. Determined to carve a way for herself, she decides to end the marriage but she is met with a new challenge when her seemingly uncaring husband suddenly refuses to let her go.