Added sinncubi's Pixiv.

is it me or is she bitting her?

tutcat said:

is it me or is she bitting her?

Her teeth are clear (no bite) and her tongue is out. Double the size using Waifu2x on the Twitter version and you will see.

I forgot Pixiv insists on mosaic censoring.

tutcat said:

is it me or is she bitting her?

She's not, she's just nibbling on the pussy lips because they are very yummy. I do the same all the time. Tug em a lil too with teeh :3