Prompt

Depict a male masturbation scene realistically! / Faithful to the prompt / Ultra-realistic and natural depiction / Masterpiece / Highest quality / High resolution / Ultra-high resolution / Male masturbation scene / Erotic expression / He slowly kneads his pectoral muscle and stimulates his nipple with his right hand / He vigorously strokes his penis with his left hand / He ejaculates semen repeatedly onto his own chest / The ejaculation scene is ultra-realistic and ultra-sexy / He looks surprised /