Taiko no Naisho・太鼓のナイショ

太鼓のナイショ (Taiko no Naisho) is a kind of a novel that is a series, this refers to the first novel, Donkatsu.

Chapters
This novel causes four chapters, than five of the first novel.
 * The referring taikos - ~Don and Katsu's Secret~
 * The continuing path - ~Tomiko and Azusa's Secret~
 * The remembered taiko - ~Yume's Secret~
 * The proof it is mathematical - ~Math's Secret~

Trivia

 * This novel is a spin-off of the first novel, Donkatsu.
 * This novel causes 4 chapters than 5 chapters.
 * The name "Taiko no Naisho" means "The Taikos' Secret".