The official music video that eventually spawned the entire Black Rock Shooter franchise. Inspired by the first official illustration by huke, the song was composed by ryo of supercell, illustrated by huke and sung by Hatsune Miku, a VOCALOID.

Two special flash-style animations included on the Blu-ray/DVD volumes of Mobile Suit Gundam 00.

There is a magical academy that is located on a floating island in the sky. This OVA is about the students of one of the academy's classes, who's only chance not to fail the semester is to win a competition where they must show off their magic skills.

Sonoko is writing a script for a play. In her script, there's a murder case, and high-school detective Suzuki Sonoko is there to help solve it. Haibara finds flaws in the deduction section of the plot, and Ran decides to call Shinichi for help with the script. (Source: Wikipedia, edited)