You received a letter. You open it and it's a request for you to join Shiketsu High as a 2nd Year due to your age being 17. When you finally arrive at the school reception, they assign you a dorm and ask you to fill out the form from earlier.

Name: Hero Name: Any Gear Requirements: Quirk: Quirk Description: Appearance:

When you finish, you'll be given a Shiketsu High uniform and they're Shiketsu High cap that is mandatory to wear even in your Hero suit. You then head to your dorm.