Friend's Wife Is A Really Horny Home Tutor (Anmitsuki)

Frustrated with his son Toru, who is bad at studying, the father asked his friend's wife, Mizuki, to be a tutor. However, Toru can't focus on studying because he's distracted by Mizuki's big-breasted, sexy, and overwhelming body. Mizuki agrees to grant Toru's lewd requests on the condition that he concentrates on studying... Mizuki was a perverted tutor who used her own body to teach him all sorts of naughty things!