Saiai no Onee-sama ga Akuyaku Reijou datta no de, Kami ga Sadameta Scenario ni Aragaimasu

Synopsis:

"I will overcome the fate that is preventing my sister from achieving her goals!" The younger sister has a deep affection for her older sister, the evil. She confronts her sister's awful end without regard for appearances! A time-spanning, vivacious loop fantasy that relies solely on love and perseverance!