The protagonist, it is enclosed by the sisters-in-law and love each other, life like the dream of indulging lewd flirt was spent. That sort of inside, because sisters met a disgusting man who is his friend the situation changes completely. Sisters, it is disgusting eerily though it comes in contact with a that man because the friend of the loved protagonist, the secret relations with the protagonist are known to him. And the body comes to be demanded, the taste of kimosekkusu of a frank desire different from sweet lewd with the protagonist is engrafted...