I Thot You Was a Toad's manga / #Sex Slave(2)

In a dystopian future and desperate for money to buy medicines that will save his brother's life, Yukichan agrees to sell himself as a sex slave and undergoes "pet training" from his friends, Masashi and Ryuu, in order to prepare for the auction. Zaria's smoking hot stories often cross a line into soul-crushing abuse, but this one is saved by Masashi and Ryuu, who are so cheerful and lusty and protective, it is impossible not to heave a sigh of relief at the not-so-surprising ending.

Dark oneshot about a BDSM encounter with knife slashing, drugging and rape-play. The final scene makes it clear that consent was implicit. Although this is framed as a one-off, there is more that hasn't yet been translated. This is a good story for people looking for hardcore kink.