Gurihiru

Callie rides an emotional roller coaster while serving on the stage crew for a middle school production of Moon over Mississippi as various relationships start and end, and others never quite get going.

When Dr. Lee moves his family to Metropolis, his son Tommy adjusts to the new neighborhood while daugher Roberta feels out of place, so when the evil Klan of the Fiery Cross begins a string of terrorist attacks on the city, Superman fights them, and Roberta and Superman soon learn to embrace their own unique features that set them apart.

"Aang and Katara are working tirelessly for peace when an impasse between Fire Lord Zuko and Earth King Kuei over Fire Nation colonies within the borders of the Earth Nation threatens to plunge the world back into war! Meanwhile, Sokka must help Toph prepare her hapless first class of metalbending students to defend their school against a rival class of firebenders!" -- from publisher's web site.

The Fire Nation is threatened by a prophecy told by the Kemurikage—mysterious figures thought only to exist in legend—remove Zuko from the throne or the country will perish!
Avatar Aang and his friends escort Zuko and his family back to the capitol completely unaware of the looming threat growing in the city. Unrest is brewing as the New Ozai Society prepares to make its move against the crown, and children begin to go missing from their homes...

Children are disappearing in the Fire Nation capital! Avatar Aang and his friends are doing everything in their power to save them—but will it be enough?
And worse, when Azula—the mad sister of Fire Lord Zuko—appears on the scene, Zuko locks down the city to catch her, igniting fear and riots in the streets! Will Zuko follow in his evil father’s footsteps in order to save those he holds dear?
* The official continuation...

"Avatar Aang and his friends escort Zuko and his family back to the capital, completely unaware of the looming threat growing in the city. Unrest is brewing as the New Ozai Society prepares to make its move against the crown, and children begin to go missing from their homes under mysterious circumstances."--

Fire Lord Zuko and Earth King Kuei arrive in the Southern Water Tribe amid protests of Gilak's imprisonment. While the leaders hold council to solidify Malina and Hakoda's unification plans, Gilak breaks free and leads a powerful rebellion! In the face of these two opposing tribes, Katara will have to make peace with her nostalgia and distrust to save the home she loves from being permanently torn apart. 
Written and drawn by the creative...

"When Zuko discovers a clue to Ursa's fate, he enlists the aid of Team Avatar--and enters into a tense alliance with his sister, the deadly and insane Azula--to finally uncover the truth!"--

"When Merida makes a hasty wish and causes the arrogant Young Macintosh to lose his memories, they must embark on an adventure to drink from the Fire Falls and break the spell." --