MTL - Start the Source of Fire and Create a Mechanical Army - Chapter 15

After an unexpected death, a soul finds itself reincarnated into the body of Itsuka Shido, an ordinary teenager in a world filled with powerful spirits, magic, and dangers from other dimensions. With the help of a mysterious system integrated into his body, Shido gains the ability to travel across worlds, summon legendary anime characters, and unlock a wide array of random skills and abilities.Disclaimer: The cover isn't mine, credits to the original artist.

Yoshimura, a average guy, no more ordinary than the next guy, worked in a company and lived a simple life surprisingly had an unexpected death and died.Fortunately his last days were spent spreading happiness around him which spotted him a place at a certain higher degree of power which gave him one extraordinary thing.One Wish, Any WorldSo seeing the generous and crazy offer, Yoshimura, like any other chose to be reincarnated to his favorite novel 'The King's Path' and was successfully reincarnated too.Unfortunately not in the right body.“What! I am now in the body of the second villain that would be trampled by my favorite protagonist!”“My Beautiful Fiance, a heroine is preparing to invade my place!”“My Step-mother seized all of my properties!”“My Bodacious Maid looks at me strangely in my sleep!”.........“Just how much am I fucked?”....................Well... at the very least I know what will happen later.And the goddess gave me the best talent.[ You have been gifted 'Eyes of Eternity' ][ Sealed Potential Unlocked : Black Hole ]......Wait a second!......................This is my second book.But think of it as my very first because... I'm not that fluent at English, hehe. So please endure the whatever third-rate world grammar I am going to write.

Blayn transmigrates into the world of Akame ga Kill and obtains the Mangekyō Sharingan—Kamui! Not just one, but both Kamui!

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