Edge of the Dark - Chapter 149 - 148: The End and the Beginning

Roy died during a war against the Evil God Cult, but somehow, he returned back in time to 30 years in the past where he was just a boy who awaken his summoning magic.

In the world of Norse mythology, a human boy falls in love with Waltraute, the fourth Valkyrie sister. He wishes to marry her, but Waltraute gives him an impossible challenge to deter him.

Nevertheless, the boy is determined to carry out the dangerous task and to marry Waltraute afterwards.

Gou Liang travels through worlds in order to complete a mysterious and arduous mission…

16 worlds in total:

School Campus: Strawberry Flavored Scholar Gong √
Entertainment circle: Lemon Flavored Film Emperor Gong √
Ancient Time: Honey Tangerine Flavored Shadow Guard Gong √
WuXia: Melon Flavored Senior Brother √
Beastmen: Pineapple flavored Beastmen Gong √
Ghost Spirits: Snow Pear Flavored Dead Gong √
Ancient Time: Gr*pe Flavored Regent Gong √
Apocalypse: Banana Flavored Boss Gong √
Interstellar: Pomegranate Flavored Sentinel Gong √
Modern: Citrus Flavored Aristocrat Gong √
Mecha: Sweet Jujube flavored Lunar New Year Gong √
Ancient Time: Durian Flavored Battle God Gong √
Magic: Watermelon Flavored Blacken Gong √
Cultivation: Cherry Flavored Disciple Gong √
Fantasy: Blueberry Flavored Demon King Gong √
Celestial World: Bayberry flavored Senior Immortal Gong √

- Description from Novelupdates

Tessy Brown, an only daughter of her parents, was treated badly in her marriage, but forced to endure all the ill treatment for the sake of her father's business. Three years down the line, her husband presented her with a pre birthday gift — his ex girlfriend, who he introduced as his new wife. Heartbroken and shattered, Tessy accepts divorce and gives in to her drunken desire, having sex with a complete stranger she met at her workplace.That single encounter changed her life forever, opening her to a world she never knew existed, and a life she never would have believed she lived in the past.***Cursed to abhor the touch of a woman after the death of his mate, Roman Gavriel, the Lycan ruler of the entire werewolf communities and a revered billionaire in the human communities, lived a long life of ruthlessness and loneliness.Already resigned to his fate, he decided to test different ways to end his miserable life. When one of his experiments successfully knocked him unconscious, he landed in the hospital where he felt the touch of life that aroused all of the feelings he thought he had killed and buried.At that moment, he knew he was never letting her go, not for anything or anyone in the world.