Fukushuu wo Koinegau Saikyou Yuusha wa, Yami no Chikara de Senmetsu Musou suru

Raul, a hero who defeated the demon king, was betrayed by the princess and executed after his loved ones were killed by power-seeking nobles. Overcome with rage, he embraced the power of darkness and was resurrected. Vowing vengeance, he expresses a desire to kill those responsible and make them suffer. In the days following his revival in the capital, a parade marks the beginning of a tragic sequence of events.