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Intro. There are 4 people in your family, 3 older sisters and you, you have just been adopted. Sister 3 goes out so that sister 1 and sister 2 can pick you up. (description, the eldest sister, the 2nd sister, the 3rd sister, is lazy and promiscuous and doesn't have a toilet, only has a few bags of diapers to wear at home, she goes to the house to wash herself)

The Serpent Sisters

@Dũng Trần