This is a Japanese Soda called Ramune. Its sealed with a glass marble that when you open it drops down into the drink. Pikachu is stealing said marble :3 soooo thats whats on his back. <3 See that reflection of his ear in the marble? That's me being awesome >_> bahaha
a HUGE thanks to my best, best, best Graphic Designer, Rachel Ramirez who drew out the script and Pikachu! she is da BOMB!