"My son is timid, so his balls are small too..." The words slipped out casually while chatting over tea with her housewife friend, Haruka. Hisae meant to brush it off lightly, but for some reason, something deep inside her caught on the comment. Her husband was often away on business trips, and even though their chances for sex were limited, she had noticed his testicles were small and his semen output was low. Then one day, when her neighbor's son, Kazuma, came by to pick up his mother's forgotten belongings, that afternoon conversation suddenly flashed through her mind. Unable to restrain herself, she impulsively pulled down her panties. At that very moment, she was struck by the size of his testicles and blurted out without thinking, "You're bigger than my husband!"