Demonic Dragon: Harem System - Chapter 23: Jason is very competent.

Time travelling from the majestic era after the Recuperation of Reiki, he became Kimura Kazuki, a 16-year-old high school student in Japan, one year before the Reiki Recuperation.

Tentatively, he set out to hone himself to the bone, burning candles at both ends to stockpile resources in preparation for the imminent Recuperation of Reiki. His goal was to be many steps ahead of all humanity when the time comes.

However, it seemed like fate had decided to play a cruel trick on him.

One year later, the Recuperation of Reiki… did not happen as expected.

- Description from Novelupdates

Mages, swordsmen, gods, demons, and prophecies. The Heavenly Games is a tournament where myth and man meet, a purgatory where the dead arrive to fight for their one true wish. Amongst the reborn are Dasha Pang and Kazi Hossain; one a professor from the west whose cold-hearted intelligence has surpass the gods; one a traveller from the east who has come to appreciate humanity. A villain and a hero. The boy born unwanted and the guided one. A martial artist and a mage. Gods amongst men.Expect battles of epic proportions, stories ripped straight from mythology, interactions between gods of various pantheons, and duels humanity has debated for centuries.Expect the Strongest Among The Heavens.***+ Dual Protagonists. Overpowered geniuses. One MC that is villainous and manipulative. The second MC that is heroic and kind.+ Detailed power system that includes Western Magic & Chinese Cultivation/Martial Arts (Xianxia)+ LitRPG, dungeon crawling, fantasy guilds, and more! + Abrahamic religions, Hinduism, Indigenous (Americas & Australia), Greek, Norse, Egyptian, and Japanese mythology

What would happen if an ordinary guy on Blue Star became a Superman?Traversing between worlds, Lu Yao becomes the only one with extraordinary powers. He studies cultivation in the other world, and bring them the technology of his planet. Now, he is the only superman in both worlds.A small goal— to withstand a nuclear bomb~

Summoned by a beautiful woman to a different world, Yamai Zenjirou is asked to marry her and make a child with her. Will he throw his life on earth away for a sponger life with a beautiful woman?