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In 20XX, a 'sex education' subject was introduced in Japanese schools as part of educational reform. Under the ideology of permeating expanded sexual information to students as knowledge and experience equally, the education system operated such that students would be held back a year if they did not achieve a certain score on the exam. A female student who received a failing grade underwent practical supplementary lessons, engaging in sexual intercourse with teachers or assisting students, exposing her humiliating situation throughout the school until she passed, and learning what sex is.














