Yari no Yuusha no Yarinaoshi

Summoned to another world to serve as the Spear Hero, Motoyasu Kitamura is a pitiful young man who eventually finds himself only able to love filolials. But after being fatally injured in battle, Motoyasu wakes up yet again in the exact circumstances of when he was first summoned. It turns out that his spear possesses an ability known as Time Reversal! With his stats unaffected by the reset, Motoyasu decides to fight once more. His motivation: to once again see the smile of Filo, the filolial that he loves more than any other! Could this be considered the start of a new game in god mode?! The long-awaited otherworldly redemption fantasy begins!

(Source: One Peace Books)