The Young Lover (1994)

Jung-yub is besotted with his stepdaughter Yun-hee and their relationship goes beyond father-daughter boundaries. Yun-hee seeks to escape her father's shadow and biology teacher Eun-woo is her only ray of hope. She tries to take their relationship beyond that of student-teacher. Eun-woo is reluctant at first but soon falls for Yun-hee.