If I was raped silently, my whole family would be happy.

The Takasugi family, a poor single-parent family, became a stable family after remarried their mother Kyoko to Yoshio, an elite office worker. One day, Yoshio, who initially seemed like a good father, revealed his true nature and casts Mari on poisonous fangs. Due to my mother's hardships and feelings for my sick little brother, I began to endure humiliation quietly in order to make the happiness of my family happy... Right next to my mother, near my younger brother, while my boyfriend is coming, I endure an unwanted orgasm today...