There are several types of missions that occur at school.

Main

Character

Time-Limited

Event

Each have their own prerequisites, so try and keep an eye out for them.

When in doubt, proceed with the "Main Mission" first!

Main

This is the main story! It's a story about a war against the "Mist Demons."

"Character Missions" let you peek into the daily lives of the school's students.

Character

Tachibana Ui

Perhaps you'll discover a new side of that girl?