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Lecture on Male Genital Physiology for Female Medical Students: Observation of Ejaculation (1) Who's the JAV actress in this video? Amateur? Name revealed!

Chart Mania's Karte Mania label presents the second installment in director Tsunashi Futagi's medical fetish series—formerly editor-in-chief of the cult-favorite medical journal "Chart Tsushin" (now discontinued). Titled "Lecture on Male Genital Physiology for Female Medical Students," this entry adopts the premise of female medical students conducting a clinical study on male genital function. Two female trainees methodically examine the male subject's anatomy from a strictly scientific perspective, observing and documenting physiological responses. The lecture covers erection mechanisms, identification of erogenous zones, reflex reactions to stimulation, ejaculation, and multiple consecutive ejaculations—all analyzed with detached, clinical precision. True to the series' concept, this production avoids typical medical AV tropes such as non-consensual acts or sexual encounters with medical staff. Instead, it focuses entirely on medical observation and experimentation, catering specifically to medical fetish enthusiasts. Procedures include erection monitoring and measurement, genital cleansing, mapping and stimulating sensitive areas, observing physiological responses, experimentation with ultrasonic vibration probes, collection of pre-ejaculatory fluid (Cowper's gland secretion), manual induction and measurement of ejaculation, consecutive ejaculation trials, retrieval of residual semen from the urethra, and post-session evaluations by the trainees—all thoroughly explained from a medical standpoint.