MTL - The Troubleshooting Diary at Hogwarts - Chapter 48 Snow on January 15th (middle)

The Mc reincarnates in a world of magic and adventure as a Leech, follow his adventure in this mysterious and exciting world as he goes from the weakest creature to the shadow being that everyone is afraid of. Will he pursue the path of strength alone? Or without realizing it he will become the king of the greatest empire that ever lived.

Have you ever thought about what the goddess in your mind will look like in front of others?

- Description from novelbuddy

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.

The backstage manipulator of the Immortal Cultivation World, the sole law in the real world!After transmigrating to the Immortal Cultivation World, Su Ping diligently cultivated for twenty years.Trapped by his mediocre talent and seeing no hope for Foundation Establishment, he decided to lay low and become a wealthy layabout.Fortunately, he activated the Fishing Man game system.Not only could he obtain unscientific and non-immortal cultivation game props, and magical fish species through the fishing game, but also Pot Cave Heavens.He could even exchange his fish catches for Town Return Talismans, allowing Su Ping to return to Water Blue Star.Thus, the Immortal Cultivation World henceforth had a self-proclaimed Fishing Man as the backstage manipulator.And Water Blue Star gained a backstage boss who followed no rules but his own!