As a second year student at Den City High School, Y/N L/N has be slacking off in school and barely passing almost all of her classes. She has tricks to find the easiest way to pass her classes without worrying and only believes if she come through her classes, then she does not need to try hard at school. Unfortunately, things will all change when a new teacher name Yusaku Fujiki comes to Den City High School to force Y/N to try hard at school and make things harder in her school life.