Prompt

a woman who has a female pussy penis, self-handjob, jerking herself off, she is an irresistible femme fatale waifu ingenue, shemale futanari, she is sat back in a leather chair, legs open, erect penis, an excessive amount of cum from an earlier streamy ejaculation slathers her bosom, head tilting back, toes curled, elevated three-quarters thigh-side view, her facial expression becomes more and more blank and vacant as she overwhelms her own nervous system and nears an overwhelmingly extreme melancholy climax while masturbating and stroking the full length of the shaft of her big dick with full grip strength