Fucking Mom's Friend, Ayatsuki Natsuyagi, VEC-581

Because her mother was traveling and was left alone at home, her friend, Natsumi Ayatsuki, came to help. She was good at everything, from cleaning and cooking to doing housework. However, her allowance was too much, which was puzzling. When she asked her about it, she said, "Then let's form a contract," while reaching towards her inner thigh...