A world where it has been established that people routinely swing between slightly different parallel worlds... Koyomi Hidaka, who lives with his father following his parents' divorce, meets a girl named Shiori Satou at the research institute where his father works. They both have a little crush on each other, but everything changes when their parents remarry. Koyomi and Shiori, convinced that they will never be together, try to jump into another world where they won't be step-siblings... There's no meaning in a world without her.

Futaro has led five quintuplets to the point where they can graduate and pursue their own dreams. Now, finally, they had reached their final school festival. Having decided to make this occasion one to remember, Futaro searches for his feelings for the five quintuplets.

In a land where no magic is present. A land where the strong make the rules and weak have to obey. A land filled with alluring treasures and beauty, yet also filled with unforeseen danger. Three years ago, Xiao Yan, who had shown talents none had seen in decades, suddenly lost everything. His powers, his reputation, and his promise to his mother. What sorcery has caused him to lose all of his powers? And why has his fiancee suddenly shown up?

Five girls came to a training school to become voice actresses holding each thought in her mind. Momoko - she wanted to be a voice actress to meet her favorite voice actor. Rinka - she is an armature voice actress, but she didn't have special purpose to become voice actress. Yurika - she likes anime very much. Tsubasa - she was a girl in love, and acted only as a boy. Amane - she found a deadlock as a actress and tried to find another way. They managed to get over the difficulty to become voice actress although they couldn't perform as main characters yet. There is a love romance with a boy works for an anime company, and you can catch a glimpse of situations of anime industries.