Under-negotiated Lifestyle

M/M, Batman - All Media Types, Justice League - All Media Types, DCU, Superman - All Media Types, Dubious Consent, Rape/Non-con Elements, BDSM, Bad BDSM Etiquette, Dom/sub, Latex, Bondage, Restraints, Handcuffs, technically, Unhealthy Relationships, Broken Bones, Crying During Sex, Sexual Overstimulation, Multiple Orgasms, Top Clark Kent, Bottom Bruce Wayne, Dom Clark Kent, Sub Bruce Wayne, Justice Lords Universe, Alternate Universe, Under-negotiated Kink, Bathing Together, Battinson, Accidental Injury During Sex, Humiliation