Russian students fly to mysterious and beautiful Japan for an internship. Young people find themselves inside the international student environment of another country and are immersed deeper and deeper into the realities that they had previously studied from afar, and just as radically changing. Red-haired Dana is the main character of the story, a girl with a special charm, in any country or situation she finds herself at the center of events. The novel with an original detective plot is filled with unique information about an amazing country, not read or invented by the author, who himself lived, studied and worked for many years in Japan and has information, as they say, first hand. The structure, principles of life in the country, mentality, customs and traditions of the Japanese, the system and subtleties of studying at the university, the secrets of names and the principles of their writing, communication with “elderly” compatriots and residents of the land of the rising sun, descriptions of food, banquets or home receptions, how in general you are supposed to eat or come to meetings so as not to offend anyone and observe all decency, what are the holidays and funerals like in Japan, who gives chocolate to whom on Valentine's Day, what is the structure of houses, how to plant real rice, which has a “whole palette of tender-sweet aftertaste” , picturesque descriptions, even differentiation of types of garbage and much more - interesting information is intertwined with the threads of the narrative. All this makes reading even more exciting for a wide range of readers. Every page becomes a real discovery. What is told, in a vivid and clear form, reveals a completely different world through the eyes of a young and inquisitive girl, whose life was unexpectedly filled with the news of the murder of a Japanese student friend, Asuka, who aroused Dana’s genuine interest with her sophisticated talent for drawing. And everyone’s favorite Koyamo Masahiro is suspected of an unusual murder. The student fraternity puts forward its own versions, and Dana, together with her friend Maru, the nephew of the “police general”, and thanks to her own inquisitive nature, finds herself at the forefront of the investigation.