A Simple Life with My Unobtrusive Sister

Life with your sister x action battle x roguelike x open-world fantasy role-playing game! The player takes on the role of a lone adventurer in a dungeon, living with his sister. To cure his sister's special illness, he constantly searches for materials to craft the universal elixir “red spinal fluid” in the Abyss. If he fails to complete it within the allotted time, his sister...!