Shino, a beautiful and neat office lady who went to a women's college and entered the advertising industry. Mayu's first 3 sex scenes! Her first portico orgasm, her first tipsy 3P, her first toy play, her boobs jiggling! Her soft, pure white J-cup breasts jiggling and bouncing with every thrust! After thoroughly developing this innocent girl, she turns out to be the slimmest J-cup amateur in history, showing unimaginable shaking orgasms.