Those Classmates who Suddenly Disappeared - Chapter 22 - School Opening Incident

A life I didn't ask for..A world I couldn't call my own...I'm Edward Walters. That's what I'll tell anybody if I'm ever asked. Because, that was the name I answered back one Earth.But now, in this new world I reincarnated in— a medieval one of swords and magic— I'm known by many names.. The Undisputed Prodigy, The Anomaly of my generation, The Legend Blank, and... Charles Liam Flameworth.But I didn't ask for any of these.I didn't ask for the titles, the power, the wealth, the sufferings, the wars, and the fame. I.. I just wanted to go back home. But fate pinned me to this world, giving me no way back.Untill I decided— if fate doesn't give me a chance.. I'll make one for myself. I'll shatter this so called fate, and I'll go back to my family.This is the story of the Anomaly that defied Fate. The one who Reincarnated as a Genius Mage.

In regards to the MMORPG Cross Reverie, Sakamoto Takuma boasted an overwhelming strength that was enough for him to be called the Demon King by the other players. One day, he gets summoned to another world with his appearance in the game. There, there are two people that insist “I am the real summon master.” Takuma gets slave-turning magic used for summoned beasts cast on him by the girls –

A perfect exercise has created a mythology academy that makes the heavens and the world tremble.

The invincible dean leads a group of teachers and students who are not afraid of the sky and earth to compose a myth together!

When hundreds of millions of years have passed and he is no longer in the world, there is one title that still makes the world tremble: Dean!

- Description from novelbuddy

In a world where dungeons were an essential part of it, Rein was trying to conquer as many as possible. They were the key to gain powers in the fastest possible way. So, to reach his full potential and to become the strongest, he became a great dungeon conqueror.With his trusty friends and lovers, he was definitely going to reach the peak alongside everyone. Join Rein and see how he went from strong to stronger and then the strongest.__________________1. The harem would not be too large(I'm not sure how many but probably just 4-5 main and few other here and there). All the girls would be getting their time and story.2. The story is starting when the MC is in the middle of his growth stage and not at the very beginning. But his beginning will be mentioned in the story in some form.3. I don't think I need to mention this, but obviously it will not have any NTR, rape or that kind of stuff. It is actually quite a wholesome story focusing mainly on adventure, action and bit of romance and slice of life.