MTL - Enter the Room - Chapter 19

However, he did not know that he was not raising just a harmless pet, but a biological weapon secretly made by the government… a real monster.

As a former librarian, Rand felt that he had been living an ordinary life, the one that he had reclaimed unconsciously every single day.

Recently, he has been a little upset because the pet fish he accidently brought home to raised seems to have undergo some strange changes

Well, it turned into a merman.

- Description from Novelupdates

The strongest hero of humanity, Kim Sung Bin.

In a world of magic and mystery, Mingyu, a deadly shadow assassin, seeks vengeance against the righteous Mages, who he believes are responsible for the brutal murder of his family. Consumed by his thirst for revenge, Mingyu walks a fine line between darkness and redemption.However, his path takes an unexpected turn when he encounters Jiang Yichen, a young master from one of the families he had sworn to destroy. Despite their differences, Mingyu finds himself drawn to Jiang Yichen's kindness and determination, and the two form an unlikely bond.As Mingyu becomes embroiled in the quest to unlock Jiang Yichen’s hidden potential, he begins to question his own motivations, as he realizes that there might be more to the story of his family’s demise than he initially thought.

Mechanics fix things.Fighters break ‘em.Those were the two truths Perry lived back on Earth. When he got isekai’d into a young noble with newfound magical powers, he found himself stuck with an awful choice. Try to survive on the Front, the mystical battleground where Hydras and Devils roamed free… Or find another way.So he took an oath. An oath that made him a Magus Dominus. A mage lord. He’d escaped his fate, least for the moment.For most his life, Perry was used to being alone. When he got sucked into Ro'an, he was suddenly thrust into the role of surrogate son to his loyal servant and half-brother to a tempestuous Storm mage. With their help, Perry prepared his best to be lord and protector for his domain. And if he fought a few monsters, and helped a few people along the way, well…Mechanics fix things. And fighters break ‘em.-Progression Fantasy with light LitRPG elements-No romance-Kingdom building and magic progression