Ojamajo Symphonys Naisho

All stories happen between Ojamajo Symphonys and Ojamajo Symphonys Mirai. Each chapter involves a secret of one or more characters knows. The final chapter shows the conclusion of the story and is important to read Ojamajo Symphonys Mirai.

Chapters
 Chapter 1: I'm your relative: Saburo's secret - Saburo tells Natasha,Sika, Yuka and Yuki how he is related to them. Since he is a Wizard he doesn't age. (There is a mistake in this chapter the twins are daughters of Nat and Sika's cousin)

Chapter 2: Our new Nii-chi: the twins' secret - Yuka and Yuki's parents adopt another child, an older brother who ends up very familar.

Chapter 3: Lost love, Mika's secret - Mika gets rejected and seaks comfort in Ryo.

Chapter 4: Mother's approval, Diana's secret - Sara and her family visit the Seleen household. Diana finds out she son Tsubasa is more like his father than she thought.

Chapter 5: A day in the magic world, Olivia's secret - Olivia visits Deki and Dekipaki in the magical world. Olivia expresses interest in the magical world more than others.

 Chapter 6: Human magic,the wizards secret - Tsubasa teaches Ozora and Damien about human magic.

Chapter 7: Sika's new passion, Sika's secret-  Sika is getting tired of being an idol and finds a new thing to do.

 Chapter 8: Tsubasa & Sara's first date, Himeko's secret - Tsubasa and Sara go on a date only to be intrupted by a mysterious little girl.

Chapter 9: Gullible, Pop's secret - Pop is lonely and Saburo is tired of being gullible.

Chapter 10: No guys allowed, Natasha's secret - Natasha starts highschool and is annoyed to find none of the sports clubs take girls, so she makes her own, with the help of a new student that no one seems to know Besides Mika.

Chapter 11: I'm myself, Yu-chan's secret-  The twins start middle school and a well known baking school they meet a pair of idential twin boys, Takashi and Yusei.

Chapter 12: Goodbye, our secret - Yuka starts having bad dreams of a future that still can changed. The girls have to make a important decsision.

Trivia

 * The stories mainly focus on how the girls becoming friends with the wizards.
 * Despite being central characters in many chapters none of the chapters are titled with Sara's serect or Tsubasa' secret.
 * In chapter 11, 3 characters are nicknamed Yu-chan it is meant to be unclear what Yu-chan it's speaking of. It is either Yuki or Yusei.
 * Yuka and Yuki's personalities develop a lot