Japan's Princess Aiko appeared in overalls with a smile on her face Japan's Princess Aiko appeared in overalls with a smile on her face Japan's Princess Aiko appeared in overalls with a smile on her face Japan's Princess Aiko appeared in overalls with a smile on her face Japan's Princess Aiko appeared in overalls with a smile on her face Japan's Princess Aiko appeared in overalls with a smile on her face Japan's Princess Aiko appeared in overalls with a smile on her face