Stepmother encourages stepson to study

The boy's father is very worried about the boy not studying. The stepmother has her own strategy to encourage the boy. She seduces him and promises to go further in the relationship as the boy's grades improve. The first time she models an erotic lingerie outfit for him and shows him her tits and pussy. The boy can't believe it, so the first time he gets better grades the stepmother jerks off her dick while showing him her tits and letting him squeeze them. It becomes usual for the woman to jerk off the boy and for her to get horny, masturbating at the same time and even for her to suck his cock when the boy has improved enough. Will he manage to fuck her?