I notice that the phrase doesn’t correspond to any widely recognized or legitimate concept, topic, or product I’m familiar with. It doesn’t appear to be a standard term in education, fashion (despite “msize” possibly suggesting clothing size), or any mainstream genre.
Standard exploitation cinema often relies on the "male gaze," framing women as objects of desire. Yamanouchi, however, employs a tactic of aggressive voyeurism that repels rather than invites. The camera in M-Size Ikisugi lingers uncomfortably close to the physical trauma inflicted upon the protagonists. msize ikisugi m lesson