Kodai Kabuto

"I wanted to die in battle." There once was a great hero, capable of killing a god, who longed to fight even at the brink of death. What awaited her was her reincarnation as Nia Liston, a beautiful but sickly daughter of nobles in a future world. Now in her second life, she gets another chance to rampage in fights, dabble in broadcasting, and even experience academy life! Thus begin the epic battle records of a heroine who will one day be called the "The Merciless Maiden, Nia Liston"! Source: Manga UP! Global

Aida Shizuka was sentenced to death for murdering his whole family. As he waited for his execution to come, he was one day visited by his sister who was no longer of the living and had become a grim reaper. The two of them set up to perform the grim reaper's job of granting the "final wish", but they would soon realise that Shizuka was not the culprit behind their family's murder. What lies before them is a revenge suspense story basked in the ever-changing lies and truth.