This instructional porn feature teaches techniques for deep vaginal orgasms instead of the painful jackhammer thrusting often copied from porn. Tenma Yui explains that hard, rapid pounding can hurt and may cause women to fake orgasms, while the right stimulation near the cervix can produce deeper, longer pleasure. Veteran porn actor Shinrin Genjin presents practical methods through eight unscripted lessons: a lecture with Yui; external deep-zone stimulation and fingering with a novice actor; positions that make deep orgasms easier; beginner-friendly sex; advanced external stimulation; blindfolds, bondage, fingering and toys; oral paired with deep stimulation; and advanced intercourse. The final lesson also demonstrates how sustained stimulation can lead to prolonged and repeated orgasms.