Orchids Of Endless Nights
Uke was forced into prostitution and abused
Uke was traumatized due to the abuse and neglect he went through in seme's mansion and due to his adoptive parents' death
Uke has an abusive father who left him in debt
Uke almost gets raped in the story
Uke had abusive parents that also made him deliver drugs
Uke was physically abused by his father (due to which he self-harmed/was suicidal) and later also got ptsd due to his father's death
Uke has trauma (and a second personality) from the death of his "hyung" (a brother? an older male friend? a love interest? I have no fucking idea)
Uke (an esper) accidentally (BRUTALLY) killed his guide and lover while they were having sex
Uke was discriminated against (as an illegitimate prince) and severely abused by his older brother as a child. Later in the story he also gets basically tortured by the brother to awaken him as an Elementalist
Uke was abused, exploited and eventually abandoned by his "family" (more like criminal group), which gave him abandonment issues