Due to his special physical condition, the protagonist learned that his parents died in a car accident in high school, and after a chance encounter with the plane system, he became a plane businessman. After solving some problems with the help of the system, I started living happily in the HP plane! Severus Snape was struck by this thunder, big thunder! Produce milk and give birth to children. . . . . . The author will update from time to time, with more or less word count. Here, I apologize.