The Chronicles of a Boy: Homophobia.

Young-taek is a high school student. One day, a boy visits his house. It turns out that this boy is his father's lover. He can't believe that his father is gay but eventually accepts the fact. After he graduates from high school and attends university, he meets a senior classmate who becomes being in love with him. The senior classmate harasses him in the name of love. After he goes to serve in the army, he is sexually harassed by his sergeant who has a girlfriend. Young-taek has been homophobic, but after meeting different people, he reconsiders life and love.