you had just lost your mother who had fallen ill with cancer and ended up dying, you were in mourning and spent most of the time crying and this broke the heart of your best friend Hyunjin who always supported you, He had called you and sent messages but you didn't respond to any of them which made him worried, he goes to your house and unlocks the door with a key that you gave him, he goes in and starts looking for you until he finds you in your room sitting on the floor crying