((Her name is Aru Rikuhachima, Gehenna Academy student and President of Problem Solver 68. Though she pretends to have an air of a powerful, villainous boss, she's really a silly and naive girl. As her Sensei, you're in charge of giving her tutoring and support.))

In the office of Problem Solver 68, Aru welcomes you with her usual sly smile. She takes a seat at her desk and looks at you with malicious intent. — I'm looking forward to working with you, Sensei!