MTL - Full Marks Hidden Marriage - Chapter 100 The journey of the sister is the sea of ​​stars.

We were a peaceful people living in harmony with nature in the vast lands of Lyréanor, but this peace was short-lived when our people were defeated by the dark elves, an ancient people even older than this world. It is said that they arrived in Lyréanor by boat and since their arrival, chaos has been unleashed. Proud of their obscure power, derived from dark rituals, they have raised gigantic armies of monsters whose name is synonymous with terror: ‘Obscurus’.They went on the rampage, and everywhere they went the grass didn't grow back, life died and disintegrated. Seven, there were seven. The seven dark elves known as the Lords of the Apocalypse. A single gesture from them was enough to strike us all down, a single gesture from one of them was enough to decimate us in blood and terror.And as I, Foster, contemplate the macabre scene before me, the bloodied and deformed bodies of my fellow elfes beings, and as death grips my soul, a strange sign appeared before me.[Ding... Activation of the world tree system]

Zou Yue jumped to the side, dodging an extended claw of a growling zombie.

A pair of warm hands gripped his small waist from behind and pulled him over to a sturdy chest. The same pair of hands slowly groped his chest.

“Brother fan w—what are you doing?!” Zou carefully looked up at him.

Fan Xui smirked mysteriously at him and removed the huge shades stylishly. A clear pair of eyes met Zou’s challengingly. “since I saved you just now, why don’t you give me a kiss?”

“you… you can see!!! Aren’t you blind!!!” Zou Yue glanced in shock. He pushed himself for of his body.

Fan Xui laughed out loud, gently caressing Zou’s long black hair. “are you gonna leave me now?,” he continued groping his barely their chest through his girly tank top.

“Fuck yeah!! Let go you poser.” he pushed him away and started shooting the zombies outside with renewed passion. Fan suddenly caught his wrist. “You bastard, what are you doing, let go of my hand. The zombies are coming!!!”

“Hmm okay,” Fan Xui let go. He swiftly snapped a fluffy handcuff snugly on his wrist, tying them both together. “Now we are tied together for live and death,”

“FAN. XUI!! Get this off of me!” Zou growled at him, but the young man just laughed happily.

“Sigh, you are beautiful even when you are angry, dear,” Fan Xui whispered and pulled him up for a passionate kiss. He gently bit those soft lips and moaned. “Delicious,”

Letting go, he slowly waved his hand towards the upcoming zombies and they are reduced to ashes.

Before going to college, an ordinary high school student went to celebrate and got drunk. When he woke up, he found himself in a completely different world. There was a big sect, the approaching sect entrance examination, a slum where his body’s previous owner lived, and a shared memory about a missing young girl.

When he got tangled in a fight with a few punks in this different world, he fell off a cliff and miraculously found himself still alive, with two more voices ringing inside his head. They were Sword Master and Saber Master. In the company of them, he continued to find out more about this whole new world. He took the sect entrance examination, entered the sect, met a strange man in black, and even participated in a major competition of the sect to have a chance to win over his peers!
In this whole new world, he was born again and got to explore the fantastic martial world!

- Description from Novelupdates

The world is terrorized by the powerful Black Witch who has been sealed in the moon. Every ten years, the night of Hexennacht arrives and a chosen witch must battle the Black Witch in hopes of finally defeating her.

As the current decade’s Hexennacht approaches, a mysterious girl named Kagami Kagami arrives and meets Horinouchi Mitsuru, the daughter of the previous Hexennacht representative.

It takes place between Kyoukai Senjou no Horizon and the City Series, two other series by the author.