Woman Who Works As A Rear Wife: Tina Nanami

Koikeda Yuriko, a widow who lost her husband a year ago. She starts working at the Nogami household through a housekeeping service... but she is actually a woman of mystery who preys on widowers. "Widow predator" refers to a woman who approaches wealthy men who have lost their wives or divorced, using sweet words to marry them for inheritance and then steals their assets. The father, starved for female affection, is an easy mark for her exposed cleavage. She even tames the virgin son who has no immunity to women...