I Slaughtered Through the Dungeon Worlds with My Cheats - Chapter 810 - 303: The Birthday Banquet Begins, Contractors Gather [Requesting Monthly Tickets!]

In a dramatic reversal of fate, the commoner Ludwik ascended the throne and became king. Once crowned, he was immediately told that the most important work of the king is “to welcome the princess from the highest lineage on the continent as your bride”! But then, the beautiful bride who appeared muttered, “gross…” upon seeing his face. Just like that, the new queen began to wage a cold war against Ludwik. But the truth is, there lies a secret within the queen’s heart, and when Ludwik finds out about it, he ends up in a certain contract with her… The story of fantasy, harem (planned), and comedy begins here!!

Lingyun, a fierce and savage cultivation genius takes over a dead teenager’s body. Coincidentally, they are both named Lingyun. Set in a alternate version of the 21st century, teenager Lingyun has been killed by someone with a grudge.

- Description from Novelupdates

Kurogami Ichiro was desperate because he couldn’t achieve what he wanted when he once started his martial arts path at age of 8!

Three Emperors have died in quick succession. The prince whom nobody had taken notice of unexpectedly succeeds to the throne. He is quickly plunged into layers upon layers of danger. The Empress Dowager dislikes him, wishing to install a younger, more obedient Emperor. His half-brother dislikes him, accusing him of stealing the throne that is rightfully his. The palace attendants and servants dislike him, believing that he is not a true Emperor. The Child Emperor must save himself.