First published in Shogaku San-nensei magazine in 2000. The commemorative first volume of the Little Mermaid Series, depicting a beautiful ocean world filled with colorful mermaids. Set in a small seaside town, this beloved comic returns, chronicling the love and adventures of Mio, a shy girl who adores the sea and fortune-telling! Through her encounter with the mysterious fortune-telling cards "Marine Tarot," which grant the power to transform into a mermaid, Mio discovers the boundless power of the vast ocean... and the great courage that dwells within the heart of a small human...