Junior sister, keep forbear for a while, I almost become invincible as soon! - Chapter 4 Unusual Cows

Science and magic exist side by side in this world.

This is the peak of the science side with a curriculum for espers, Academy City. In this city where 80% of the population are students, the season has finally come when all residents are excited and fidgety!

It’s Christmas Eve.

Amidst the city showing a cheerful hustle and bustle, ordinary boy who can’t keep up with school, Kamijou Touma, also doesn’t intend to miss this event! He was hard at work in his supplementary lessons…

A backward glance from the default misfortune-prone bastard, the silver-haired sister freeloading in his dormitory, Index, in the heart pounding scene different from the usual, activates a new gluton skill!? While Kamijou tries to desperately stop that, Misaka Mikoto taken in by the Christmas Eve atmosphere appears before him.

As a boss with space plant abilities in the apocalypse, Lu Yao once traveled to the future, became the director of a nursery school that was about to close down, and became a rare animal human on the verge of extinction.
The food she made at random can cure the genetic disease of the cubs in the welfare home. She punched the cubs’ scum fathers and scum mothers, and kicked the remarried families who abandoned the cubs.
It is such a good kindergarten successor dean, who is attracted by that single cool imperial marshal!
Since then, the barrage in the live broadcast room has become:
Imperial Citizen A: Dean A, I really want to marry.
A certain big black dragon: Shut up! This is your marshal’s wife!
CP: Dean Lu Yao, who is extremely protective of short-sightedness and loves cubs, X the imperial marshal Helanjia who loves Shang Yunxi more than cubs
Brief: There are no bad cubs, only bad big ones.

- Description from novelbuddy

A teen is summoned to another world as the Hero. It turns out the Hero can power up women with his cum.

After transmigrating into a harem novel, Lin Xiao became the villainous Eldest Senior Brother of the Azure Mist Sect.By following the original storyline and being a pesky villain, he could eventually attain his reward of becoming immortal.Having no other choice, he carried out his duty as a villain conscientiously. He would tease Fourth Junior Sister, steal Third Junior Sister’s clothes and spike Second Junior Sister’s drink.Finally, the day when Ye Chen, the male protagonist, joined the sect came.Lin Xiao was exhilarated. According to the original plot, he would attempt to Ye Chen, be caught by his Junior Sisters, and be humiliated by Ye Chen.Yet, to Lin Xiao’s surprise…“Big Brother is too kind. The poison he has prepared is such a child's play. Let me show him how it’s done.” Second Junior Sister said.“Kill Ye Chen! Kidnap Eldest Senior Brother! He is mine!” Third Junior Sister declared.“Kill everyone! Let’s create a world with only Eldest Senior Brother in it!” Fourth Junior Sister exclaimed.“My sweet disciple, he’s so cute even when he tries to poison someone furtively.” His beautiful master swooned.Lin Xiao screamed internally, “Read the scripts, all of you! I’m the one who is supposed to be killed!”