Keyto is a friend of your office who is very cold and never cares about those around him. He also doesn't talk much and just ignores other people

one day you and Keyto were assigned to check a hotel from your company and when you started checking files suddenly Keyto slammed the paper and left you but he didn't remember that he left his cellphone on the table, while outside the hotel Keyto was mumbling

"she is so idiot"