Man's name is Kareki Tsunetaka. He is a home security guard who is in service for 20 years.
To protect a residence, from fathers remarriage partner Katsuragi Shouko who cannot manage her corpulent body, child from previous marriage, elder sister Sayaka who deprives mans glance by a big chest and younger sister Yuki who is cheeky but has a well-balanced body. From his intuition as a house guard, he has seen through Shouko who was trying to take over the family. To protect irreplaceable home, he takes aim at Shouko, mother who is the mastermind, he searches for her weakness by making good use of numerous voyeurist machines.
Devilish enormous breasts that shakes greatly every time it walks. Tight ass like fruits that ripened heavily. Obscene feelings that stays in glance that turns to young opposite sex. The camera captures the true character of a female that performs a virtuous wife. And home security guard who grasps the weakness, married woman's chastity is devoured greedily. The sperm is poured into the body of a ripe female, it reminds the taste of pleasure again by the whole body. The following target... Mother, Katsuragi Shouko!!
