Yenra Sachiko Koshimizu from Idolmaster Cinderella Girls Sachiko Koshimizu's Dynamic Pose: The image features Sachiko Koshimizu from Idolmaster Cinderella Girls, dressed in a vibrant blue costume with purple accents. Her outfit consists of a short skirt and a matching vest adorned with yellow buttons, complemented by a black bow tie around her neck. The overall design is playful and eye-catching, with the bright colors standing out against the blurred background. Sachiko's confident pose adds to the dynamic atmosphere of the image, making it an engaging visual representation of the character.