Yuusha Yoshihiko to Akuryou no Kagi (2012)

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100 years have past since the defeat of Maou. Someone somehow broke the seal and the world is once again infested by monsters. The people remembered... There once was a Yuusha (Hero) named “Yoshihiko” who defeated Maou. However, Yuusha Yoshihiko has passed away a long time ago. The people suffered in despair. Then Hotoke appeared high above and sent down the light of mercy. Yuusha Yoshihiko is back! Hotoke will order. Go to the quest again and find “a key to the seal”