I'm Just a Familiar

Shang Jiuli was summoned as a "familiar" in another world. The person who summoned Shang Jiuli to another world was the cute but mediocre master spirit Elena. Facing the mysterious beautiful girl who suddenly appeared, Shang Jiuli, who was full of doubts, after listening to her talk about the contents of the contract, decided to "temporarily" become her familiar in order to survive here. However, this world is inhabited by terrifying monsters, and there are various races such as orcs, dwarves, and elves, making it a fantasy world. It was GAMEOVER accidentally, and Shang Jiuli decided to find a way to make himself stronger first. But the surprising thing is...