Crayon Shin-chan: Fierceness That Invites Storm! The Singing Buttocks Bomb (2007)
When an alien bomb powerful enough to destroy the entire planet sticks to the buttocks of Shin-chan's pet dog Shiro, a race to save the world begins.
When an alien bomb powerful enough to destroy the entire planet sticks to the buttocks of Shin-chan's pet dog Shiro, a race to save the world begins.