Light Novel Volume 15

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

Synopsis
OVERCOMING THE PAST AND PROTECTING THE FAMILY

Rudeus encounters an old man who has slipped in time from the future. By Hitogami suggestion, decide to defeat the Dragon God Orsted in order to avoid the route where he lose all the important people for him.

Rudeus, who believed in the advice left by the old man, decided to send a letter to Eris, who left five years ago, proposing her. "If i come back alive, let's continue with our story."

As the story begins to move, will Rudeus and Eris fate begin to intersect again, guided by the red thread! ?

Chapters

 * Chapter 1: Diary - First Part.
 * Chapter 2: Diary - Second Part.
 * Chapter 3: Resolve.
 * Chapter 4: Nanahoshi's Hypothesis.
 * Chapter 5: Letter Arrives.
 * Chapter 6: Preparation.
 * Chapter 7: Preparation Complete.
 * Chapter 8: Quagmire vs Dragon God.
 * Chapter 9: Mad Dog King vs Dragon God.
 * Chapter 10: Eris Greyrat - First Part.
 * Chapter 11: Eris Greyrat - Second Part.
 * Chapter 12: Summon.
 * Chapter 13: Explanation.
 * Extra chapter: Mad sword fit in the sheath.

Adaptation Notes
Differences from the original web novels

Extra chapter: Mad sword fit in the sheath: New original chapter for the light novel.