Time Prison ~A Spirit Armament Wielder Who Returns by Death, Uses His [Copy] Ability to Become the Strongest~Toki no Ori: Shinimodori no Reisou Tsukai, [Copy] Nouryoku de Saikyou e to Itaru; 時ノ檻　～死に戻りの霊装使い、【コピー】能力で最強へと至る～; Time Prison: A Spirit Armament Wielder Who Returns by Death, Uses His [Copy] Ability to Become the Strongest

"I'll kill the Demon Lord who's trying to wipe out humanity no matter what it takes..." In a desperate battle against the Demon Lord, Link loses one of his dearest friends. Fueled by his comrades dying wish, he unleashes a desperate final blow. But its not enough. The Demon Lords army of magical beasts overwhelms humanity, and the world falls. Link shouldve died. And yet... he wakes up, back in time, as his ten-year-old self?! Now, with the memories and battle experience from his past life, Link vows to change the future. This time, he'll do whatever it takes to defeat the Demon Lord once and for all