We've seen optical illusions used in everything from special shirts to give appearance of a bigger breast size and bringing anime characters to life, but 15-year-old Japanese artist Keito (@Yassun0222K might have found the most effective way to use them by drawing everyday objects all around him. Keito says he likes to practice copying objects he sees in his daily life, but one of his most recent illustrations had many convinced it wasn't a drawing at all.

Outside of producing a very realistic illustration of the bottle itself and a tricky 3D effect, Keito seems to have perfectly captured the image of a leftover cola sloshing around in a bottle left on its side. He provided a followup break down to show that he actually drew it.

And in case you still weren't convinced, here's a video showing him go through the process.