Konoha's Tag-System Ninja - Chapter 16 - : The Ninja World’s Grenade!

Jiang Lin crossed over, he became the tragic little cannon fodder in the book.

The little cannon fodder relied on his good looks, and there was no man in capital who hadn’t been seduced by him.

He was a well-known playboy in capital, an existence that everyone despised.

Only Jiang Lin who became the cannon fodder knew what kind of life the cannon fodder lived.

The little cannon fodder’s father didn’t care, his mother died early, and his stepmother treated him harshly. There were also two stepbrothers and a “beautiful and kind-hearted” heroine sister in the family.

The first stepbrother robbed him of his position as a companion of the crown prince, and the second stepbrother robbed him of his qualification to be a student of the Imperial Academy; in the end, the heroine sister arranged him to marry a man who was about to die.

From anyone’s point of view, what Jiang Lin took was a death script. But Jiang Lin held the space in his hand, who was he afraid of?

So——
Jiang Lin made a great contribution in front of the heroine, and successfully regained the position of the eldest son of the Hou family from the hands of his two stepbrothers.

Jiang Lin successfully solved the famine and became famous all over the world as a Marquis and held the nobility.

As for the dying man Jiang Lin married, not only did his legs recover from the poison, but he also became a fearsome General, the God of War.

- Description from Novelupdates

On earth, Felix is just a normal guy, a bit of a loner but otherwise normal. In the multiverse, under the rule of The System, he's a caster. Fascinated by magic and hungry to learn, grow and discover, this series follows Felix on his adventures through the integration and beyond.