Leon, who is adventuring in an S-rank party, is a user of the magic nullification "Cancelling", which is a unique magic. He contributed to the party by nullifying all attack magic used by the enemy. But one day, he is summoned by party leader Lloyd and kicked out of the party. Exiled Leon encounters a crisis situation for his childhood friend Sophia and the party when he takes the quest alone. After helping him, Sophia invites him to join our party, and Leon takes a new step... From the bottom of the party's expulsion, he rises up with his best friends! A different world fantasy of friendship and unity. !!