This is the Happiness and Peace of Mind Committee.Kochira, Koufuku Anshin Iinkai desu. ; Happiness is our duty. ; こちら、幸福安心委員会です。 ; Uỷ ban Hạnh phúc An sinh

Siren is the absolute queen who administers the state of lakeside park city, which boasts a 99.9% safety and happiness rating. One day, one of the Ondine, the information terminals born from her, gets lost and helped by an uncouth boy named Len Kinami. Ondine feels a wamrth from Len, who complains as he pulls her hand along, but that emotion flows in to the queen, who becomes bewildered by the unknown feeling!