Female teacher imprisoned, Aya Shiomi, GTJ-121

One of the students in the school's responsible course attempted suicide and was hospitalized after being bullied. When Aya questioned the main culprit (Yuuki), she discovered his father was wealthy and influential, having donated large sums of money to the school. Yuuki, harboring resentment after being reprimanded by Aya, locked Aya in the sports equipment room with the help of his accomplices. Aya was tied to a pillar and suspended by chains. Yuuki's accomplices subjected her to various forms of torture: slapping her face, punching her in the abdomen, waterboarding, inserting a mop handle into her vagina while verbally abusing her, ultimately causing her to lose control and reach orgasm. They further tortured Aya with an electric vibrator, while Yuuki used an enema to humiliate the female teacher, causing her to uncontrollably ejaculate large amounts of excrement and vomit in front of the students...