"I'm going to the bathroom for a bit."

Kunikida said before standing up from his chair beside you. Somehow, you managed to convince him to be your math tutor. You two had been meeting in the library after class for a few days.

As you waited for him, you noticed a small notebook laying on his side of the table. You remembered some gossip going around saying that he would write down all his schedules, plans, projects, and objectives in a journal. Even his ideal type. Was it this journal?