Kazenone City, it is a city that made people feel nostalgic and wonder. It was also the home country of Okano Makoto and his little sister, Hinata. They came back this town in order to look for their mother who had disappeared suddenly. Their friends and childhood friends welcomed their return. Makoto began to notice something important through the encounter with them. With the tone of a harmonica, and with their thoughts in their hearts, the fantastic tale began in this mysterious town.

Kazamatsuri Touma's favourite quiet cafe — where she reads recently bought books — will soon close, so she and Kageyama Torako look for another quiet place for Touma to read. Torako suggests the cake cafe nearby. And as it turns out the two girls really love the European cakes there, and can not resist trying them all out.

Shirobako Specials is an OVA adaptation of the first episodes of the two fictional television anime produced by Musashino Animation in the Shirobako television anime. Ekusodasu!: Shutsu Tokyo Akane, Aya, and Alpine are the three members of the struggling idol group Tracy, which has yet to make a name for themselves. After their performance at a supermarket attracts a dismal audience, the trio's leader Akane decides to turn their fortune around by confronting their disinterested manager Taguchi. But the girls are in for a surprise when they stumble across Taguchi's corpse in a storage room, and become the prime suspects in his murder—all the while rising to the widespread fame they so desperately wanted. Daisan Hikou Shoujotai: FALLING ANGEL The 307 Aerial Squad, also known as "Hell Alice," is part of a global military resistance against the enigmatic Builders, who have covered a third of Earth's surface with mysterious structures known as Pillars. With all aircraft built after the 1970s disabled by the Pillars, Hell Alice must pilot their outdated equipment against the advanced technology stolen by the Builders. Among their ranks is the talented, school-aged Japanese girl Aria Hitotose, the so-called "Ice Doll" who never hesitates in even the most dire of situations. When an operation to rescue survivors from a destroyed base goes awry, it is up to Aria and her trusty allies to save the day.

An adventurous wild mouse called Gamba travels with his friends to see the ocean but he finds an injured mouse and hears about the violence of white ferret Noroi. Gamba decides to help the mice suffering under Noroi's tyranny.