Synopsis:

By family matters Kenta will freeload to relative's house, reunion after a long time was restless. With a masculine Saki elder sister and Maki elder sister who seems to be girl. A twin beautiful woman cousin younger sister who had admired before, living in the house.

And freeloader first day, white girl and black girl sisters for the Elder sister who doesn't leave a look at that time really, having surprised at the moment, a reverse-sneaking visit at night. Because of the pubescence in which it is interested, if twin sisters of admiring approach, it piles up like the monkey.