One day, while feeling restless and frustrated, the protagonist succeeds in summoning Lilim, a powerful, high-ranking succubus.

However, he lacks the strength to control such a powerful succubus, and a battle ensues over who will take the lead in the contract…!

To win the battle against Lilim and make her your confidante, you must withstand her erotic temptations and delve into the deepest recesses of her mental world to make her understand!

Let’s make that arrogant succubus, Lilim, understand and submit!