Danbooru-based image board with a specialization in high-quality images.
ass cameltoe loli nipples open_shirt oshaban pantsu pussy sasahiro school_swimsuit see_through swimsuits uncensored vibrator

Edit | Respond

Remind me of my college physics experiment of determining the width of "slit" using light diffraction phenomenon.
aganainotoki said:
Remind me of my college physics experiment of determining the width of "slit" using light diffraction phenomenon.
My best guess: that knowledge probably won't be applicable here ... but do tell us if you find any interference.