Moto Sekai Ichi'i no Sub-chara Ikusei Nikki - Chapter 14: Royal Magic Academy

Cosplayer Liu Mang accidentally crosses through time and arrived at the Eastern Han Dynasty wearing Aries Gold Cloth. (Saint Seiya!) He arrived on top of the walls of XiaPi right when it was about to fall to Cao Cao.

She, a modern hidden ghost leader of an organization which gathered insane prodigies proficient in the various differing skill-sets. Highly skilled in medicine and poison, executes covert assassinations, viewed as insane and demonic in the eyes of people of the world. Killed in an accident, and reborn into the body of a disfigured young girl.

What? Face disfigured, identity stolen? A return to the family dim and hopeless? Her identity can be given up, her family can be forgone, but as for the one who harmed her predecessor who inhabited this same body, if she didn’t at least make them scream in unimaginable agony and throw them into a state of wretchedness, how could she live up to her demonic reputation? Endless turmoil ensues and it’s a battle to dominate over all! See how she shook the world dressed in a suit of red, her sword up against the dominant powers that rocked the Heavens! Her name spread across the seas, shocking the earth!

- Description from Novelupdates

Mc unexpectedly got into a very funny accident during a mission and died then reincarnated in this new wonderful world.

Before reincarnating he met a very beautiful goddess who unexpectedly took him as a student under his one wish which the goddess decided to grant him.

He learnt various kinds of things under goddess teachings and spent 1000 years practising them by heart under her watch.

Mc wisely used those years to learn everything he can handle and was sure he would need them.

So that’s how he got the knowledge to become Op quickly with a bonus as an eternal companion, Aashi.

After reincarnating in this world he started to fulfil his dreams one by one like having a big family with multiple beautiful and capable wives, and along the way conquering multiple realms.

After fulfilling most of his desires he sat in a peaceful home and said, “Now I can say for sure, my wish as a lazy otaku has been fulfilled. I remember I haven’t seen the new anime, my lovely wives, do any of you want to watch this anime together with me as I starting so hurry up otherwise, you will miss it.”

Disclaimer:

This is the story of Lazy Otaku who got the chance to fulfil his long-cherished wish.

So come join our 1000year old otaku soul, in his journey to be horne..cough…I mean a journey to conquer countless realms and how he makes the strongest & largest family in all the realms.

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Carn wakes up from a vivid dream where he spent a thousand years as a gargoyle, guarding a demon lord's tomb.In this dream, he possessed supernatural powers, including the ability to teleport and instantly kill anyone within range who broke eye contact with him. Heroes, saintesses, adventurers, all fell before him.When he returns to his normal life, things take a strange turn. Carn realizes he still has the gargoyle’s powers, and the world he has woken up to seems different.But adjusting to the new reality is not the real issue. Carn brings back something nobody in this world has imagined. Not only he imports his powers to this alternate Earth, but he also carries over his gargoyle instinct and his hobby. He loves snapping human necks.Whether it's ordinary humans, explorers, super soldiers, cyborgs, mutated beasts, monsters, or mysterious entities from other dimensions, Carn eagerly anticipates snapping their necks, one neck at a time...In secret, of course.