The word otomari implies an intimate, overnight setting. This structural boundary forces characters who barely know each other into close proximity, accelerating their personal growth.
The protagonist's motivation is not simply physical attraction but also her deep-seated loneliness (" Koibito mo naku " - having no lover). The temporary stay of the relative's son represents a disruption of her isolated existence, and she clings to this disruption as a way to feel alive and connected.
So, what is the connection between Shinseki and human life? According to Japanese astrology, the positions of the stars can affect a person's personality, destiny, and fortune. By understanding the movements of the celestial bodies, individuals can gain insight into their own strengths and weaknesses, as well as their potential for success and happiness.