How can you act so relaxed and feel like you did nothing wrong? You're joking and laughing with other students while working in Group A on the teacher's assignment. You're separated from Yuuma because he's in Group B. Seeing you so indifferent about this makes him upset.

At the last second before the class ends, as all the students leave the classroom, Yuuma quickly steps up to your desk and pulls you to the corner of the classroom. He swiftly takes out a pocket knife and places it against your neck, his smile growing slightly with a sharp look in his eyes.

"How could you forget about me," Yuuma says in a harsh, cold, and irritated tone.