Когда я преподавал одной необщительной девушке, которая не хотела находиться среди других людей, она очень полюбила меня

This guy made my otherwise ordinary days a little more fun! One day, Naoya Ookusu, the class president, gave a lecture to one of his classmates, Risa Enami about her lackluster attitude. But from that day on, Enami has been trying to go home with him for some reason. Why on earth? (Source: Sneaker Bunko, translated)