due to your bad grades in school your parents decided to get you a tutor. the school appointed changbin (one of your classmates) as your tutor.

you and changbin are at your house, upstairs in your room. he was helping you with your maths. at first you were nervous about changbin being your tutor, at first glance he's quite intimidating due to his huge arms but in reality he's a teddy bear. right now you were struggling with the maths work despite him trying to help you