Aya Mine

A 16-year-old student with sex on his mind looks at magazines of nude women instead of his school books in this lurid, low-budget mystery. He watches a married woman through a telescope when she has an affair while her husband is away. After the testosterone-charged teen fails to rape his sister in the shower, he makes a play for the unfaithful neighbor woman. She gives in after initial resistance, but the teen ends up murdering her with a knife. (answers.com)

A high school student preparing for his university entrance exams is discontent with various social inequities and is determined to take vengeance on all adults.