VGQ-013 - 女家庭教師が教え子にした事の全記録 波多野結衣

Glasses used to convey an 'intellectual' vibe. It's a common prop for tutors, female teachers, or doctors. If they're going to use them, they should at least keep them on during the sex, or just skip them entirely since you can look intellectual without them. There were even scenes where you couldn't see anything at all due to the backlighting, which was a real letdown.