MTL - Back to My Dad’s High School Days - ~ It's the second period.

Luo Qing Chen is a wandering spirit that died thirty thousand years ago, roaming the Chaos Space

In order to not turn into dust, she is bound by an ice cold system to travel through time and space to complete missions.

Girls that pretend to be weak?  Slap them without explaining.

A silly cannon fodder?  Helping them amass treasures.

Meeting a real male god?  All of them will pamper.

System: Dear masters, what do I do if my host even dares bully the heavens?  Waiting for an answer, it’s urgent!

A certain male god: Change systems.

System: ヽ〔?Д?〕丿

- Description from Novelupdates

Xu Yangyi, an 18-year-old high school student, for the reason that his older twin sister eloped with her girlfriend on the wedding day, was forced to be the surrogate bride by his own father. As a result, he became the wife of the man who should have been his brother-in-law.“You’ve gotta look at me carefully. I’m a man.” Xu Yangyi glared at He Jingyan, who was still getting fresh with him though he already knew Xu Yangyi was indeed a man.“Man?” He Jingyan fiddled with Xu Yangyi’s face with his big hand and gave him a sly smile, “You look identical with your sister, so it doesn’t matter!”

“I shall fuck every woman's hole and mouth until I become the undefeated vampire lord of lust!”

With a demoness of lust fell on his boner, Zoravec, a 19 years old seemingly human struggled to keep his carnal desires in control.

The only one way to find his mate is dual cultivate with every single existing woman! But things go wrong when his vampire blood activated the bloodlust, and his first sex partner dies of blood loss.

Zoravec has no bloodline due to his mixed blood. But his power outbursts are no match for other vampire nobles. Especially with the huge harem of beauties who possess every kind of lethal power, who are at his beck and call.

What chaos will the hatred towards his own kind bring?

After an ominous prophesy is discovered, the swordsmen of the kingdom of Ensis must band together to avoid the fate that has already been foretold.