My friend's girlfriend, Mizuki, who lives with him, is incredibly cute and makes me jealous... I accidentally caught them having sex and found out Mizuki's sensitive spot where she moans 'there'—her weak point when she comes. I want that sensitive body for myself! Unable to control my desire, I decided to make my friend's girlfriend come while he was away visiting his parents. At first, I forced her, but as I accurately hit her weak points, she gradually started to initiate it herself—
