第 1 集: 少年長瀞早瀨獲救後與美人魚瀨戶燦結婚
2007年4月2日 播出
Nagasumi Michishio, a teenage boy, is saved by the chivalrous mermaid Sun Seto while drowning in the ocean off the coast of Seto Island. Mermaid society rules are strict, being that Nagasumi and Sun are forced into marriage if both are to stay alive. Little does Nagasumi know that Sun's mermaid clan is in fact a yakuza organization. (Source: Wikipedia)