Seventeen Again: The Sweet Life with My Family - Chapter 648 - Not Biological

Jian Wushuang was reborn in adversity. In order to get his revenge, he began to cultivate Heavenly Creation Skill. With the help of the Heaven defying cultivation method, Jian Wushuang gradually grew into a peerless genius from an ordinary practitioner. With a sword in hand, no one is his match. Using his extraordinary Sword Principle, he killed all his opponents and eventually became number one Sword Master from time immemorial.

The main character Lei Yu does not have the ability to practice his family’s martial arts. He gets stepped on and tossed around. Due to certain reasons, he leaves the family, coincidentally gains an ability, and makes his own path to becoming an immortal.

- Description from Novelupdates

Martial Arts Grandmaster，who achieved the limit of human body, can fight a hundred foes alone as the founder of styles and schools. Yet, they could only reign supreme in ancient times. But the Immortals... Flying on the wind without relying on, they travel through the Azure Void, heading to the Northern Sea by dawn and reaching Cangwu Realm by dusk. Feeding on the wind and drinking the dew, transcending the mundane world, wandering freely with eternal life. That is humanity’s ultimate romance. Are Immortals fictional? Do they not exist in the real world? The outcome depends on the individual! The Martial Path was originally a defiance of the heavens, surpassing limits, turning the impossible into possible! So, what is wrong with desiring to become a Human Immortal, journeying to the Northern Sea Star by morning and reaching the Cangwu Realm by dusk? This is the story of someone in the modern world of martial arts who, armed with just a bit of informational advantage, ultimately became a Human Immortal and shattered stars with a single punch.

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.