Agerna is a planet rich in Vizorium, the one mineral necessary to space travel. So when a series of mysterious attacks on mining operations has the governments of the world pointing fingers and blaming each other, the World Welfare & Works Association naturally sends in their top agents to investigate. But are the lovely angels up to the task of stopping a mad scientist bent on taking a long dormant alien race to its final evolutionary form? Throw in a thief who's hunting a bottle of World War II-vintage wine and it's a safe bet that nobody on the planet is safe. It's more chaos, more mayhem and even more destruction than ever before as the Dirty Pair take on their wildest case yet! (Source: AniDB)

The legend of the Divine Gate is a story told to young children that depicts the merging of the living world, the heavens, and the underworld. Adapters—people born with unique elemental abilities gifted to them from the union of these worlds—formed the World Council, an organization which controls the chaos of the Gate by portraying its legend as nothing more than a myth. These Adapters train in a special academy owned by the World Council that allows the students to hone their skills. Aoto, a teenage boy with exceptional water powers and a tragic past, rejects the offer to join the academy numerous times—until he is successfully pressured by the energetic wind user Midori and stubborn fire user Akane. Together, with the World Council and their mysterious leader Arthur, they seek out the Gate in the hopes of uncovering the truth. But in order to reach their goals, they must unite and overcome their own despair while dealing with behind the scene mischief.

Cinque returns to the land of Flonyard in Dog Days' to resume his duties as the hero of the Biscotti Republic and it's as though he never left! The difference this time is that he's brought two friends with him who become heroes in their own right: childhood best friend Rebecca Anderson, who becomes the hero for the Principality of Pastillage at the urging of their leader Princess Couvert Eschenbach Pastillage, and his cousin Nanami Takatsuki, who becomes the hero for the Galette Lion Dominion. As with the first season though, with so many secrets to be uncovered and mysteries to be solved, will there even be time for the athletic events that these three hyper and athletic teenagers love to participate in so much?

The series revolves around the Mizuki Diving Club (MDC), which is on the verge of closing down after having financial troubles. The club's new coach persuades the club's parent company to stay open on one condition: that the club sends one of its members to next year's Olympics as part of Japan's Olympic team. (Source: ANN)