Kujibiki Tokushou: Musou Hāremu ken - Chapter 78

An 18-year-old poor college student tried to apply for a job as a tutor but his life almost ended as demons' meal. In his last breath, a mysterious woman gave him a strange power. When he opened his eyes he had turned into a demon with a system that would turn him into… A pervert.

Now he must lived with his dual identity as a model student named Ethan and an incubus named Damian.

Jin Lin was not an object within the pond; he would transform into a dragon upon meeting the wind and clouds!

Yu Haoran returned to his youth. Not only did he retain all the memories of his past life, but he also obtained omniscient and omniscient domain towers that could accelerate time.

Look at him: Seize opportunities, seize good fortune, destroy enemies, stir up trouble!

This was a story of leveling up and killing monsters.

- Description from Novelupdates

Qin Chuan arrived in a parallel world and got bound to a system.