The ultimate sex method devised by Y-sensei, a renowned sex therapist, is finally here! This technique gradually heightens sensitivity by accessing the A-spot (anterior fornix), enabling orgasms far beyond the ordinary. In this session, AIKA—experiencing A-spot stimulation for the first time—undergoes the challenge of developing her A-spot sensitivity using Y-sensei's unique method. Watch as AIKA feels more intensely than ever before, gradually losing control and being driven to full arousal.