Nice Day for a Little MermaidChiisana O’Ningyo Biyori; Chiisana Oningyo Biyori; Chiisana Oningyo Hiyori ; The Daily LIves of Tiny Mermaids; 小さなお人魚日和; Tiny Mermaid Matters
In the near future, mankind creates mermaids through the selective breeding of small fish. This is the story of three tiny mermaids who are in a Tokyo pet shop waiting for someone to buy them.