My Wives are Beautiful Demons - Chapter 286: We’ve already solved everything

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.

The mortal body, metamorphosis, longevity, immortality, and eternal life. These five realms, step by step, reveal themselves in front of you. As a normal person, how can one try step by step to reach and open the door to eternal life?

Between the heaven and the earth lies the mortal body, the mysteries of metamorphosis, freedom of longevity, the power of immortality, and the hope of eternal life. A story filled with endless new magic, a new world of immortal styles, people, demons, gods, fairies, magic, kings and emperors. A world of love and hatred, revenge, and mystical battle, all in “Eternal Life.”

- Description from Novelupdates

Reborn into her younger years, she's determined to rewrite her fate.This time, she'll earn her own fortune, buy that dream villa, outsmart every scheming character, and never hesitate to protect herself—even if it means hardening her heart.Her (blinking in disbelief):“Wait… does this mean I'm now on the same level as a rich tycoon?”Him (smirking):“Not quite. You're already standing on the tycoon's foot.”