It was a usual August night at Tokyo City's Oogai Ward, one of the recently developed parts of Tokyo Prefecture. At least, it was a usual night for most of the inhabitants. Ward's pride and joy Tokyo Clover Tower was rising above Tokyo city, humbling its rivals Tokyo Tower and Tokyo Skytree by being the tallest building in Japan. Far away from the tower, on the outskirts of the ward, Oogai's oldest western style restaurant "Buta no Shippo" (Pig's Tail) was the home of none other than Aida Mana, Cure Heart of "Doki Doki PreCure." Mana was sleeping in her room alone as her partner Sharuru was staying with other fairies in Alice's mansion, pr...