Ejaculation Technique Lecture: Repeatedly Failing with Her Sister’s Expert Skills

Synopsis

My girlfriend’s sister Ayaka Tomoda works as a technical instructor for an ejaculation technique course for adult video actresses and sex workers. When I came to help with her work, the male model unexpectedly cancelled, leaving me to fill in as his replacement. With only my exposed member showing through a sheet, I repeatedly climax from Ayaka’s incredible techniques. The students also tease me after each ejaculation, leaving me writhing in pleasure. Despite being a lecture, my premature ejaculations kept causing “how-to failures” throughout the session…