Subaru Hasegawa has the ambition to become one of the best basketball superstars of all time. However, this comes to an apparent halt when his school's basketball team ceases activities for a year. Shocked by the news, he decides not to involve himself in basketball anymore. One day, his aunt Mihoshi Takamura invites him to coach the Keishin Academy girls’ basketball team on how to play the sport, and he reluctantly agrees. He meets sixth-graders Tomoka Minato, Maho Misawa, Airi Kashii, Hinata Hakamada and Saki Nagatsuki, and begins training them in the sport with one goal: to defeat all strong opponents along the way. Ro-Kyu-Bu! follows the effort of five elementary girls and their coach as they their cute style of playing basketball.

A strange, silent warrior appears. When the Inferno armor is summoned to battle him, the mysterious warrior calls forth his own armor—a black copy of the Inferno armor! Now, the warriors will find themselves half a world away fighting once more to save humanity, but this time, from their own armor!

When Yukari Morita decided to look for her missing father who disappeared in the South Seas, she had no idea how far her journey would take her. Just traveling to the Solomon Islands is a long way for a high school girl to go on her own, but then Yukari runs into an astronaut from the Solomon Space Association, which has been trying to build a rocket powerful enough launch a man into space. Upon meeting the petite Yukari, however, SSA director Nasuda realizes that she's small enough to go up in a less powerful rocket the SSA has already built! So he offers her a deal: if Yukari agrees to become their astronaut, the SSA will help find her missing father! Will Yukari have the right stuff to blast off in the wildest space quest ever?

A 300-year-old book is discovered which chronicles the adventures of the legendary Samurai Troopers… centuries before they happen! But what does this mean? Are the Troopers merely puppets in some cosmic play, acting out parts? Who is this mysterious Suzunagi, a mysterious girl who entices each of the warriors with their hearts’ desire - salvation, new armors, freedom from a life of fighting. Why is she so interested in the troopers and their armors?