Second season of Bye Bye, Earth.

During a rash attempt to save her father and her dying home planet of Eltria, Kyrie Florian is betrayed by her childhood friend, Iris. Furthermore, the power Kyrie has gathered from Nanoha Takamachi and the other Earth protectors cannot be used to help her father. Iris casts the despairing Kyrie aside, having acquired what she desired to exact revenge on Yuri Eberwein, a powerful being who lies dormant on Earth. Left to pick up the pieces, Nanoha and her allies must confront the troublesome Iris to uncover the truth and stop the conflict between her and Yuri. However, amidst the raging battles, a much more dangerous threat lingers in the shadows. No matter the obstacle, Nanoha remains diligent and does not hesitate to help those in need with her magic.

Unaired 14th episode of Genei wo Kakeru Taiyou, broadcast on Nico Nico and included in the 4th Blu-ray and DVD volumes. It shows Akari and Fuyuna's lives prior to the main series as well as how Luna got started as a magical girl.

The Courageous Warriors of the Garden of Hope have summoned Nagisa, Honoka, and Hikari to protect their kingdom from a witch who plans to steal the Diamond Line, which is a set of jewelry the queen of the Garden of Hope wears to a ceremony every year to replenish the water of the kingdom. The witch plans to resurrect the Dark Lord and if she does so, not only will the Garden of Hope be destroyed, but other kingdoms in the galaxies, including the Garden of Rainbows and the Garden of Light. (Source: ANN)