Yari No Yuusha No Yarinaoshi

Chapter 9: Peeping
Vol.2 Chapter 8.5
Chapter 10
Vol.2 Chapter 8.5
Chapter 10
The comedy spin-off story focuses on the Spear Hero, Motoyasu Kitamura. At the brink of death he acquires the power to turn back time, and decides that he'll use it to become stronger and start a "new game."