An iDOLM@STER Cinderella Girls character in the Cool (Blue Diamond) category. Shiori is an idol who is fond of seashores and the scent of ocean brine. She always is wearing a sun hat, even when performing on stage. loves mermaids, and sometimes uses it as a stage gimmick.
Shiori says that she loves the sea because it reminds her of her hometown. She thinks the ocean is beautiful, and feels calm by looking at fish and seashells.