Norio Kajima

The first chapter of the Refrain Blue series, tells about the recollection of Yoshihiro's past about various events of summer school, of the fate where encounter and separation are interwoven with each other, as Yoshiro and Matsunaga will pass the Toyo Gakuen and will arrive at summer school at seashore. A mysterious girl smiles as she watches Yoshiro who stands still at the seashore dusk.

In the last chapter of the Refrain Blue series, the bond between Yoshihiro Matsunaga and Nao Morisawa grows stronger, while Yoshihiro finally finds out the identify of the mysterious girl from the first chapter.

Kei and Yuri investigate a counterfeiter with a large amount of electronic defense gadgets/robots and then try to stop a megalomaniac from holding Chief Gooley and Eleanor City hostage.

The second chapter in the Refrain Blue series focuses on Nao Morisawa and the events that happened at the summer camp last year, with her and Yoshihiro Matsunaga both unable to let go of feelings of the past.

We begin our adventure by the banks of the Mississippi River, where we see life through the eyes of a young boy named Huck Finn. Huck is a resourceful and spirited lad who knows how to survive on his own. He flees his father, and travels with Jim (a runaway boy). He learns much about life from Jim. Tom Sawyer is a mischevieous adventure hungry boy who has a zest for life. He's a true romantic at heart, but not above a little trickery to get his own way, or to get out of work. Tom's life really starts to become complicated when he meets Huck. Together with Jim, they begin a series of adventures.

The elementary school student Rieko lives with her parents who are deaf and mute, and her younger sister. Rieko wishes to draw cartoons and comics that make people happy, and doodles comics of Bomberman and friends in her notebooks. An earthquake strikes during the night and ravages the city, leaving their neighbourhood a shambles. They travel to a shelter, but their parents' inability to hear and speak causes misunderstandings and conflict among the workers; Rieko helps resolve the situation while also keeping an eye on her younger sister. With support from volunteer worker Kyoko, an older girl from Tokyo, the community within the shelter begin to grow and understand one another. Rieko helps keep the younger ones amused with her drawings of Bomberman characters, including a comic of the heroes and villains putting their differences aside to help each other when the battle arena comes down on top of them.

Nadeshiko, a high school student who had moved from Shizuoka to Yamanashi, decides to see the famous, 1000 yen-bill-featured Mount Fuji. Even though she manages to bike all the way to Motosu, she's forced to turn back because of worsening weather. Unable to set her eyes on her goal, she faints partway to her destination. When she wakes up, it's night, in a place she's never been before, with no way of knowing how to get home. Nadeshiko is saved when she encounters Rin, a girl who is out camping by herself. This outdoorsy girls story begins with this first encounter between Nadeshiko and Rin.

A human space colony fleet is trying to find a habitable planet near the center of the Milky Way Galaxy. The story focuses on three young adults and the events that occur around them as the fleet faces a crisis of alien origin.