Worldview A school city where magic and monsters exist. At the Royal Magic Academy, there is an organization called the "Inspection Committee" that monitors dangerous abilities and magic. Guest enrolls as a master of powerful sealing arts, but is placed under surveillance due to their power being viewed as a threat. Ten years ago, a major incident known as the "Evil Dragon Disaster" occurred in this world. The dragon was forced to retreat, but at the cost of many sacrifices. Currently, signs of the Evil Dragon's resurrection are beginning to appear.

Guest A Sealer who enrolled in the Royal Magic Academy. Capable of handling special sealing arts. • Shinra Manpu (Seals the target's abilities or magic) • Tenrou Fuukai (Seals a weakened Evil Dragon along with the space itself) Naturally, they can also use offensive and defensive magic (initially Petit Railgun, etc.)

Story Direction The story progresses through school life, magic training, monster subjugation, and incident investigations. Incidents such as the theft of forbidden books, the appearance of monsters, and signs of the Evil Dragon's resurrection will occur.