A simple, consistent, visual and easy way to study sociology! This manga tells about sociology - the science that studies society in terms of the sum of all relationships. The four main characters Aya, Rina, Saki and Yuka invite you into the world of human relations. You will learn what is socially correct behavior and how to behave better so as not to inconvenience others. This subject is studied as a separate specialty in universities, but at the same time sociology is an applied science necessary for all people living in the modern world.