Sanbon

A tower called "Babel" suddenly appeared in the capital city. It's a place where you can get rich quick with treasures and rare materials. But it's also a deadly dungeon, filled with traps and vicious monsters waiting to tear adventurers apart. Many adventurers try to conquer Babel, and Kyoichiro is one of them, but this isn't his first attempt. He has challenged the tower and died over and over again, returning to the past each time. He does it all to save his precious childhood friend and their companions. "I swear I'll save them... This time for sure." Save your childhood friend with the ultimate speedrun! The 99th attempt begins now. (Source: MangaUpdates, edited)

Rui, an unpopular college student, wakes up to find that he has been reincarnated as Ludwig, the villainous protagonist of the brutal erotic doujin game "The Ugly Orc's Revenge." He looks ugly, just like an orc. If you follow the game's original story, you're sure to end up in disaster! In order to avoid the disaster route, he begins secret training. His appearance charms the heroines, and he becomes unexpectedly popular and faces chaos. He won't let them call him "Ugly Orc" anymore!

Hugo, who was on a loop of his miserable life, meets a beautiful girl, Melza, who is rumored to be a "monster". Hugo asks her, "Are you sure you won't regret sharing your fate with me?" This chance encounter changes his broken life one after another...