My Girlfriend is an S-Class Adventurer - Chapter 1 Where All The Misery Began

An ordinary man, Ye Chen traveled to the cultivation world by accident and became a phenomenal immortal of that era. After 3,000 years in the cultivation world, he was betrayed and traveled back to earth through a spatial tear.Five years had passed in the mortal world, but when he came back with his abilities, he found out he now has a daughter!

The Fifth Young Master of the Yan Family has immense power and unmatched beauty, but his personality is unpredictable and his methods ruthless, making everyone afraid of him.Until he took in a young girl of unknown origin.The young girl, soft and clingy, was not only unafraid of him but followed him around all day, pitifully saying she wanted to repay him.In the end, he cherished her as a treasure, spoiling her to the core, wishing he could give her everything, only to find out she had no idea what liking someone meant.He angrily cornered her against the wall, his voice low and dangerous: “Little Gua, if you keep making trouble, don't blame me for being rude.”[1V1 Sweetheart, super indulgent!]

A boy wakes up with omnitrix as a X-GENE

However, he did not know that he was not raising just a harmless pet, but a biological weapon secretly made by the government… a real monster.

As a former librarian, Rand felt that he had been living an ordinary life, the one that he had reclaimed unconsciously every single day.

Recently, he has been a little upset because the pet fish he accidently brought home to raised seems to have undergo some strange changes

Well, it turned into a merman.

- Description from Novelupdates