ADN-443 Damn young man fucks his friend's wife

Koichi, the only son of a wealthy local family, and Emi are a single mother who feels depressed because their marriage is strongly opposed. the two elope and secretly move to Tokyo and begin their newlywed life. Both are very grateful because now they are happy because her husband's childhood friend Takuma helped them, but now that friend has the heart to rape his friend's wife.