MTL - With So Many Vests, I Overturned In Front of the School Grass - ~ Section 1 Mathematics, taught by the head teacher.

Shen Yu's world is facing the apocalypse. With the help of his Gray Mist Space, he could do good things such as saving lives to gain more gray mist and use it to do everything he wants to do. And what's more, no one but him can survive in the Space. However, this time, two figures walk out of the Space, and when they spin around, Shen Yu is shocked, because the two figures are all him from different worlds.“Your world is facing an apocalypse too?”“Indeed.”

Hello, welcome to join the scp foundation, as a D-level personnel, you will get the following benefits:

First, you will get a unique identification number printed on your brand new orange clothes (prison uniform), such as D-213.

That’s not enough, you will also get a brand new name, which you will use to communicate with each other in the future! Like Billy-D.

As a D-Class, you just have to satisfy your superiors, and they’re good guys with guns! They will help you to have friendly interactions with all kinds of safe creatures (help the ten-meter killer lizard clean the room)

In order to protect your health at all times, our infirmary is always open, even if your work here is as easy as taking a walk!

When you’re done with a D-Class for a month, you can go home (and be shot), no matter what prisoner you were-

Don’t wait any longer, come and join scp!

- Description from novelbuddy

After dying as a college student, Kain wakes up in a magical world where people form bonds with spiritual creatures to fight alongside them. Determined to rise to the top, he relies on a System and loyal companions.Everything seems to align with his ambitions—except the spiritual creatures he can contract seem to be remarkably…strange

A human warrior cultivating the Ancient Strengthening Technique has transcended dimensions and arrived on Kyushu. Together with twelve ravishing beauties with looks that were unmatched in their generation, will he be able to stand on the summit of this world?