The Extra of The Lunerra - Chapter 11: Volume I - 10: First Class

Xiao Ze, who was dedicated to the people and vowed to become a generation of Ming Jun, accidentally fell on a little lady.
The little lady was born beautiful and lovable.
So Xiao Ze accepted his life and got the name of fear.

ps:
①The male protagonist has no concubine, and he is dedicated to serving the country.

- Description from novelbuddy

The main character Lei Yu does not have the ability to practice his family’s martial arts. He gets stepped on and tossed around. Due to certain reasons, he leaves the family, coincidentally gains an ability, and makes his own path to becoming an immortal.

- Description from Novelupdates

Arthur got randomly transported to another world. Some people would find that terrifying, but not for him, who was tired of his old life; it was an opportunity.

And, after having bad luck all his life, the tide changed.

It was a world of magic where wizards fought side-by-side with their familiars. Arthur got summoned to be one of these so-called familiars.

He was furious. The thought of becoming a pet was not something he liked. Well, that changed when he saw who his master was.

A hot-woman. And, to make everything better, Arthur was inside the Frostpeak Magic Academy, which only had women students.

“This is heaven. All familiars are beasts, but I'm different. I'm a good-looking man inside a place filled with hot girls.”

When he thought his luck could not get better, he unlocked a system that helped him with everything. Of course, he used the system for a greater good, like getting girls.

Traveling through the big world that covers the sky, awakening the sign-in system, and rejecting the rich woman’s pursuit at the beginning! Sign in to get a pair of pupils!

Sign in at Daleiyin Temple and get a five-star reward Emperor Seal!

Sign in in the Bronze Immortal Hall and get a seven-star reward for inextinguishable profound art!

Sign in on God and get a ten-star reward Fortune Jade Plate!

The ancient warriors, step on the restricted area, control life and death, and control reincarnation!

The heavens and the world, the rolling red dust, have left his footprints!

The legend of Emperor Xuantian began when the Nine Dragons pulled a coffin on Mount Tai!

- Description from novelbuddy