[Machine Translation] A debate begins in the "Ethics" class to consider the friction between the group and the individual - "bullying". The differences between the different schools of thought, the good and evil that human beings face, and what becomes apparent when one takes a look at oneself.... The teacher, Takayanagi, talks about "what needs to be changed"...? This is the fourth volume of the story of a teacher who considers "rightness" through ethics!