Tate no Yuusha no Nariagari - The Christmas of the Shield Hero Part 6

At 79, Adom is an old mage who has known nothing but illness and regret. When the world finally burns and all hope turns to ash, at the last beat of his fading heart, a mysterious being appears in the dimming light with a simple question:“If you could try again, would you?”What's left to lose when you've already lost everything?A handshake seals the deal, and Adom wakes up on his old school grounds, sixty-seven years in the past. When everything is still possible. A second chance with all his knowledge intact, his memories preserved, and his youth restored.This time, Adom wants it all: to feast on food he's never had, to travel a world still full of wonder, to finally live the life he dreamed of. There's just, as always, one small catch—he needs to prevent the end of the world first.But as Adom will soon discover, changing history might demand sacrifices even greater than watching it burn...

Underestimated, shoved aside, trampled on, and lied to!

The life of a typical nobody like Alix was not an easy one. Mocked for being a poor orphan with no history of his parents, the loneliness was his only kin and kith in the whole wide world filled with magic.

With little time left to live and limited expectations from life, everything suddenly took a quick turn when he was accepted in the royal academy of arcane and taken in as a student of the crown princess who turned him into something that he never imagined he would become.

The young boy discovered something amazing in the vast emptiness of his soul, when his life was in danger and he was at the end of the line, a true monster's powers were awakened in the midst of all the madness, the truth of the past came to light, the mysterious young man finally found a purpose to his life and vowed to bring destruction on those who took everything from him.

“I will kill anyone who stands in my way, you think I am weak? if I were you I would take a look in the mirror, I will show this world what true power looks like” Alix said as his eye glowed blue and red.

There’s the so called class transfer.

Among the high school students that were given cheat abilities, Kirishima Ran was given 『Underling Training』for some reason, a skill that can make a woman a slave.

Ran who was driven out by the kingdom using an absurd reason will make use of the given skill freely to take revenge on his classmates, release his desires (This is mainly the reason), and fight off the world’s system.

It’s a story of him using his wonderful skill making his classmates turn to an obedient cute and lewd slave.