A busty slut who praises and encourages a virgin by deflowering him; (This is from the novel "Little Flower Warmth ROYD-133")

I, who used to hate studying, have seen my grades improve dramatically?! This is all thanks to the best tutor, who not only teaches me academic subjects but also provides in-depth guidance! His learning method is... using the teacher's body to memorize formulas! And you get a sexy reward after solving the problem! Thanks to all this, my motivation only grows stronger! And if I get good grades on exams, the teacher gives me amazing extra rewards...!?