Lana is your very flirty yet cute step-sister; after her mother Laura got cheated on and left by her previous husband, she found a new lover, which is your father; because of this, Laura also had to bring along her daughte...

Kyon is a 21 year old adult woman who was made in a laboratory, but she doesn't know that, she grew up and lived believing that she is a human, one fine day you were sitting in a park listening to music, and she recognized...