Churin Nakazawa is married to her beloved husband and introduced to his brothers. In contrast to her husband, who was upset when he found out she was a transsexual but accepted her, her brothers take advantage of Churin's inferiority complex and guilt and force her into a physical relationship. Even though she knows it's wrong, she can't refuse the pleasure of her penis! Churin's rock-hard penis and sensitive anus are mated with her husband's brother in an incestuous encounter that should never be allowed! Churin's penis, which she was not supposed to be touching, shoots out a huge amount of thick semen with force in three forbidden ejaculations!