Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 1 - 1-5. Fortress City Life Begin!

He is a threat to her existence.

A hot-blooded dragon of Royal blood, King Malachi is taken hostage by the humans he despises so much. Deprived of his freedom, he is imprisoned in a dark cave, his rage growing with each day of torture and humiliation. The only light he sees comes in the form of a human female, offering her care. A woman who makes him burn with equal fury and desire. A woman who has no place in his heart or mind, for only one thought sustains him.

Vengeance! And even if her kindness softens his heart and her touch sets his body aflame, she will not be spared his wrath. Because once he breaks the chains of slavery, he will burn down her whole world.

She is the key to his freedom.

The cold-hearted princess Ravina is a woman with a mission. Eradicate the dragon race from the face of earth. But when she finds out that the very creatures who killed her parents could also be the ones who kidnapped her sister, she has no choice but to change her plans.

To find her sister, she must get closer to the creature she despises. But things don’t always go as planned and soon Ravina ends up finding more than she bargained for. Caught in a battle between humans and dragons, love and hatred, trust and betrayal, Ravina must make every choice with caution. And with every step she takes closer to the fiery beast, she risks melting the ice surrounding her heart and being consumed by the flames of fury and passion.

Ren’s life ends in tragedy when a selfless sacrifice leads to his untimely death. Awakening in the afterlife, he’s offered three choices: two promising unimaginable power and one granting the simple, normal life he’s always craved.Without hesitation, he steps through the black gate to start his normal life.But there is a catch. He’s been tricked.Reborn into a world of magic and danger, Ren awakens with rare beast-taming abilities that draw the empire’s ruthless attention. With a growing harem of powerful Beast Queens by his side, he must fight to survive, battle a spreading corruption, and protect the lands from destruction.Ren’s journey as a World Traveller will take him across realms, where untold dangers, allies, and unimaginable power await. And beautiful women not to be excluded.Yet this world, is only the beginning.(ALWAYS CHECK AUXILIARY CHAPTERS EVERY TUESDAY, THURSDAY, AND SUNDAY)

Miracles don’t come walking your way by themselves.

Brolin, the nine emperor of the Black Dragon Mountain Empire, accidentally obtained the system of the realm of the world, and began the legendary journey of the battles!

In the Naruto world, with his star power, he overwhelmed the shadow-level powerhouses, grabbing reincarnation, and becoming a ten-tailed person!

Fighting the mainland, he led a large group of lords, surrounded the ancient eight clan, and confronted the peak Dou Sheng!

Covering the sky, he broke into the restricted area, seized the emperor’s scriptures and immortal medicine, and called the Lord of the human universe to fight supreme, and the sky was falling apart!

In the eternal life world, he crosses all realms, and fights against the Supreme King of Stone with the attitude of eternal true God!

Immortal continent, he jewels Jiuyang, looks down on immortal ancient, strong sky!

The perfect world, he runs across the sea, suppresses the heavens, and the Zhunxian Emperor must retreat!

Thinking of the eternal world, he ascended to the realm of Supreme Hunyuan, the fifth step of the war, Bai Xiaochun!

Heaven and earth, this is an epic of the black dragon!

- Description from uukanshu