The image was reposted at https://www.pixiv.net/en/artworks/85023624 apparently due to the artist forgetting to mark it as 18+. While the image doesn't seem to have any visual differences, I get a different MD5 hash result.
*Cough**Press**Tweak**Tweak**Tweak**Chirp**Chirp**Chirp**Cough**Cough**Cough**Cough**Cough**Tweak**Cough**Psssssh**Tingle**Tingle**Tingle*Now I've done it★Just masturbate for a little while, or I may feel really bad afterward...My nipples are tingling hard...To be continued.I masturbated for a whole hour in the bathroom...Well, my nipples are hard, so I might as well play with them.