Doomsday: I Become Invincible By Picking Up - Chapter 454

After being married and in love for five years, everyone praised the Third Imperial Concubine as both virtuous and magnanimous for her willingness to accept all of her husband’s beautiful concubines. However, behind her back, they mocked her for being a useless woman who hadn’t borne any children for her husband yet.

After reincarnating and returning to the harem, Xiao Wan decided to be ruthlessly tyrannical and not be lenient to those who offended her. She would stay on her guard and find a new husband.

However, can someone tell her who this shameless man was? He was formerly the most honorable yixing1 prince in Dong Ming. However, he tossed aside his kingship to become a merchant and quickly became the wealthiest person in Dong Ming.

1 Prince who has a different last name from the Emperor. He is not a prince belonging to the Emperor’s clan.

- Description from Novelupdates

The protagonist is an accidental time traveler - he didn't wait, didn't guess, only dreamed, but ended up in history, which he didn't pay much attention to. He was just lucky with his lineage.Ryo is a new member of the Nara clan, from the Uzumaki lineage on his father's side, and it so happened that he was born not at the beginning of the known plot, but more than three decades and two world wars later. Now he has to figure out how to get out of this situation however he can.

In the end, war couldn’t be extinguished. But, there was a transformation. Even in the heart of a worthless accomplice in murder who was indifferently continuing his task, there was a transformation. The massive weapon “Object”.

This was a weapon that changed the whole definition of war. An exchange student named Quenser, who was dispatched to the battlefield, met at the base a girl with a strange aura. The girl, dubbed “Elite”, is the pilot of “Object”. The near future. This diminutive boy had come to take on the role of standing up against the strongest weapon “Object” for the sake of the girl. This was the motive for their first meeting.

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.