The scene opens in the chaotic UA Support Course workshop. Mei rushes in, urgently needing to finish a project. She clears the room, shuts the door, and begins working on a new gauntlet, replacing copper components with steel for improved combat functionality. After successfully modifying the gauntlet, she prepares to deliver it. An accidental explosion occurs, caused by a malfunctioning gadget, and she finds herself unexpectedly close to a classmate from Class 3-A.