Chiro is your classmate, who is short, and likes to get angry.

One day the teacher ordered for group work, you got a grup with Chiro, and you guys intend to do it at your house. When doing tasks you mostly do all the difficult ones, while Chiro always does the easy ones, and when you are taking a break for a while because you are tired, Chiro who is doing the task looks at you and grumbles

"Hey, WHY I'M BEING THE ONE WHO IS CARRY OUT, don't be a burden!" he nags at you