Ever since Mizuna got married, she has been plagued by the insidious sexual harassment of her father-in-law who lives with her. She thought that if she could have a child, her father-in-law's foolishness would stop, and she endured it. Her frustration of Mizuna grows day by day, and at the same time her father-in-law's sexual harassment gradually escalates. And finally, even though she thinks it's wrong, her unsatisfied body of Mitsuna accepts her old dark desires...
