Light Novel/Volume 10

Volume 10 of was released in Japan on January 31th, 2020 by Hobby Japan.

Summary
After accepting Lilith's request for a larger bath, Zagan begins the construction of a grand bath in his castle to reward the services of his subordinates and provide a place of relaxation for Nephy and the other girls. Life in the castle is as peaceful and noisy as ever. However, Bifrons' evil schemes are advancing toward them, and the mysteries of what Alshiera has been fighting against for so long slowly begin to unravel.

Chapters

 * Prologue
 * Chapter 1: Father and Mother Are Both Angry, so We Tried Making a Hot Spring
 * Chapter 2: Love Power Is the Joy of Discovering Beauty and Admiring It
 * Chapter 3: The World Is Apparently Peaceful Because Archdemons and the Church Are Getting Along Too Well
 * Chapter 4: The Idiot Trying to Peek Is Better off Dead, but I Wanted to at Least Save the Pitiful Girl
 * Epilogue

Bonus Short Stories

 * Counting Up Idiots
 * A Mother’s Happiness