Light Novel Volume 13

This is the thirteenth volume of the Mushoku Tensei light novel.

Synopsis
A EX-GIRLFRIEND APPEARS

With a second wife and a daughter, Rudeus begins a new happy life with Sylphy an Roxy. Three people that go shopping, learn magic, attend a friend's wedding, and live a good life.

Rudeus in a work with his two wives, finds Sarah, a girl who once broke up in a bitter way. This happy marriage will finally turn into a hell?

Chapters

 * Chapter 1: Roxy Becomes a Teacher.
 * Chapter 2: Third Year Student.
 * Chapter 3: Training with Norn.
 * Chapter 4: I'll Raise It.
 * Chapter 5: A Father of Dignity.
 * Chapter 6: Water King Class.
 * Chapter 7: Marriage Ceremony.
 * Chapter 8: Flowers in Both Hands.
 * Chapter 9: Birthday Party.
 * Chapter 10: Sarah Again?.
 * Chapter 11: Graduation Ceremony.
 * Chapter 12: Fourth Phase.
 * Side Story - Is the Mad Dog's Sword Heavy, or Sharp?.

Adaptation Notes
Differences from the original web novels
 * Chapter 10: Sarah Again?: New original chapter for the light novel.