Welcome to Twibooru! Anonymous posting only; no content restrictions beyond pony-related and legal; comments are disabled by default (Settings -> Comments). Read me!
Uploaded by Anonymous #7A40
 900x1280 JPEG 259 kB
Size: 900x1280 | Tagged: safe, artist:ponyanony, derpibooru import, part of a set, oc, oc:secret mentore, unofficial characters only, pony, unicorn, comic:growth experiment, breathing mask, computer, experiment, image, jpeg, laboratory, male, oxygen mask, stallion, vat

Description:

SecretMentore from Twitter commissioned me this short comic, and his OC is going to be tested for some interesting muscle growth in this tube!

safe2415313 artist:ponyanony162 derpibooru import2847436 part of a set24368 oc1099775 oc:secret mentore20 unofficial characters only684082 pony1541034 unicorn546408 comic:growth experiment15 breathing mask53 computer8817 experiment408 image1179215 jpeg438389 laboratory935 male545551 oxygen mask136 stallion184183 vat92