Well I looked it up and from what I can tell this series is about a 16 year old girl (Saki) who wants to be more popular in school. According to Wikipedia notable plot "highlights" are (spoilers and depression abound):
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-Her boyfriend drugging her(? "Feeding her pills" )
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-Her changing up her appearance (to be more popular) and then somewhat accidentally joining an online prostitution forum
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-Her father losing his job, getting drunk, and raping her
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-Her mother believing Saki had seduced her husband and beating her in response, causing her to drop out of school and run away to her boyfriend
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-boyfriend is in a lot of debt (8 million yen) and his life is in danger, so the people he owes money to have Saki work for them as a prostitute. They also pierce and tattoo her
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-Saki ends up pregnant while working as a sex slave. Her boyfriend convinces her to have an abortion
-she is gang-raped(?) At the bar she 'works' at, and forcibly develops a heroin addiction
(Cont)
-she is later kicked out by her boyfriend after she starts using her money to buy drugs instead of pay off his debt
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-she is raped and "forcibly impregnated" by homeless people
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-she keeps the baby, tries to quite drugs, but working as a prostitute "injures" the baby and she ends up in "constant pain" causing her addiction to resume
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-for some reason her ex-classmates assume she shouldn't have any money because she's homeless so they do what apparently everyone in this universe does: they rape Saki, and then beat her in an attempt to kill her baby
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-Saki commits suicide via heroin overdose
Oh no.
`
-Her boyfriend drugging her(? "Feeding her pills" )
`
-Her changing up her appearance (to be more popular) and then somewhat accidentally joining an online prostitution forum
`
-Her father losing his job, getting drunk, and raping her
`
-Her mother believing Saki had seduced her husband and beating her in response, causing her to drop out of school and run away to her boyfriend
`
-boyfriend is in a lot of debt (8 million yen) and his life is in danger, so the people he owes money to have Saki work for them as a prostitute. They also pierce and tattoo her
`
-Saki ends up pregnant while working as a sex slave. Her boyfriend convinces her to have an abortion
-she is gang-raped(?) At the bar she 'works' at, and forcibly develops a heroin addiction
(Cont)
`
-she is raped and "forcibly impregnated" by homeless people
`
-she keeps the baby, tries to quite drugs, but working as a prostitute "injures" the baby and she ends up in "constant pain" causing her addiction to resume
`
-for some reason her ex-classmates assume she shouldn't have any money because she's homeless so they do what apparently everyone in this universe does: they rape Saki, and then beat her in an attempt to kill her baby
`
-Saki commits suicide via heroin overdose
Sorry, I watched Batman recently