Naofumi and his friends are in a Drama CD! Naofumi is worried about Raphtalia’s busy life, so he proposes to walk around the castle for a break. On the way, Naofumi and his friends discover an old map in Raphtalia’s father’s room and decide to explore the place marked on it.
The Prologue, Chapter 1 and 2 are in the form of a Drama CD and Chapter 3, 4 and the Epilogue are in the form of a novel
