His and Her Circumstances(1998)

Miyazawa Yukino is the perfect student. Kind, intelligent, pretty and modest, it's unbelievable that such a person could exist. Little did everyone know Yukino's perfection was just a facade. An act to fulfill her desire for praise and admiration. Her life took a turn however, as a newcomer to their school Arima Soichiro topped the exam rankings. Arima is more than just intelligent, he's also kind, handsome and modest, an unbelievable person who can actually exist. Even worse luck, Arima found out Yukino's secret, blackmailing her to help him out. Their odd relationship soon develops into friendship and eventually into love. But can their love prevail through the many problems that come their way?