The hero’s revenge ~

eon-woo had a twin brother who disappeared five years ago. One day, a pocket watch left by his brother returned to his possession. Inside, he found a hidden diary in which was recorded “By the time you hear this, I guess I will be already dead….” He will avenge his brother.

> romance, but it’s one sided (she likes him) and though it’s a bit annoying, I don’t think it takes away from the story.

After being trapped for 12 years in a tower full of regenerating monsters, Hyeonu Kim is more powerful than just about any human or monster on Earth. Now that he’s free, he’s determined to find out who was behind his imprisonment, even if that means he has to kill hordes of monsters -- and inadvertently save the world -- along the way.

> female characters (romance?)
Read it legally here:
https://m.webtoons.com/en/action/the-advanced-player-of-the-tutorial-tower/list?title_no=2409

Henry Morris was an 8-circled wizard who was a legend- one of the founding fathers who helped his friend become the king of a unified empire. After the son took over the throne, Henry was executed with the false accusation of leading a rebellion against the empire. He then wakes up in the body of young Henry Morris, the eldest of a baron family, who also happened to have the same name. Henry turns his life around by again relearning magic and swordsmanship, looking for revenge.

> no romance