Fairy Tale Chronicles - Volume 5 Chapter 2.3

Deek has never had success with the ladies. He’s poor, overweight, and generally unliked. Feeling like a burden on his mother, with his life going nowhere, he spends his days playing video games. However, when a mysterious game ends up in his bag, he is teleported to another world. The only way for a talentless slob like him to get by is to venture into dangerous dungeons for fame and money. Regrettably, Deek always preferred to play support roles, and in this case he picked White Mage. In a world with slavery, where he can purchase beautiful and powerful women as his allies, this might actually work.

Tags: Isekai, Slice-of-life, RPG, Weak-Protagonist, Comedy, Harem, Large-Harem, Slavery, Romance, Animalgirls, Monstergirls, Dungeons, Drama, Erotica, Growing-protagonist

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

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.

Lin Ke traversed to this world and, with the help of a system, utilized modern knowledge to farm and develop, claiming kingship and dominance.This is a world of professionals, a world of swords and magic, a world of bloodline inheritance, and a world of countless racial conflicts!One day, Lin Ke rode a bicycle with training wheels past the army, facing an endless enemy ahead.[Shield Warrior], [Arsonist], [Tree Shepherdess], [Wind Whisperer], [Thunder Sword Maiden], [Eternal Freeze Knight], [Voodoo Warlock]...Looking at the diverse group of followers behind him—tall, short, plump, thin, old, weak, sick, and disabled—Lin Ke laughed and raised his arm to call out: “[Workers]! Delivery [Knights]! [Scientists]! [Doctors]... Raise the flag of Azanen and charge with me!”Thus, amidst the eerie cries and howls of his followers, the history of the boundless planes was forever changed.