Demonic Dragon: Harem System - Chapter 444: My wife’s breasts (R-18)

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

Ethan wakes up expecting to see the walls of a hospital room—only to find a system message blinking in front of him:[Ding! You have killed a green worm][Ding! Green worm has been added to your summoning list]

“Dane?” “Yeah, the bastard whose head I smashed with a fire extinguisher.” Grayson Miller, whose life goal is to meet his destined partner just like his Papa and Daddy who gave birth to him. However, even after dating countless people, he hasn’t found the right one. Desperate, he even sought out a renowned shaman, who told him that his destined partner was someone connected to ‘fire’ and has ‘big breasts’. Doubtful, but still pondering how to make the connection, he attends a pheromone party where a sudden fire breaks out. While toying with the omegas and spreading his pheromones left and right, he suddenly lost consciousness after having his pheromones controlled by a certain Extreme Omega. After waking up, Grayson realize that his destined partner might be working at the fire station, and with his father’s help, he gets a job there through connections. However, from the very first day, he gets into a physical fight with the firefighters who were keeping him in check, and among them, he also gets particularly entangled with that Dane Striker bastard…….