MTL - Immortal Becomes a Stay-at-home Dad After Return - ~ 529 dark net

Zheng Tan somehow returns to the year 2003, turning into a black cat. Picked up from a rubbish heap by the Jiao family, he is given the name “Charcoal”, and so begins the life inside Professor Jiao’s family. Zheng Tan remembers that he was once a person, but currently his body is that of a cat. He has no way of speaking the human language, but can understand it, and even retains the thinking and IQ of a young 20 year old youth. Read along as he adapts to this new world, and somehow tumbles from a group brawl to catching a thief.

- Description from Novelupdates

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

Crying blood and tears, she pledged a poisonous vow. The gods did not fail her. She was sent back to a decade ago. The legitimate daughter of Jiang family returned from hell.

After transcending to a new world, Ye Xuan miraculously obtained the Swallowing System.

Not only could it swallow everything (wink wink nudge nudge), it could also extract bloodlines, martial arts, godly weapons, medicinal pills, treasures…

“This (beer) is way too strong! Don’t challenge me! Do you believe that I can’t swallow your divine swords?”

- Description from Novelupdates