My Big Sister: Remastered is an adventure game available on PlayStation 4 that invites players to step into the shoes of Luzia. As Luzia, players traverse a fantastical realm inhabited by spirits, ghosts, and various supernatural beings. The primary objective is to help Luzia and her sister navigate challenges and break a mysterious curse that prevents them from returning home. Engaging with the environment, players can search for objects, solve puzzles, and interact with a variety of characters to uncover the rich lore of the game, which ties into the narratives of both "My Big Sister" and "Ashina: The Red Witch."

The gameplay unfolds across multiple chapters, with an emphasis on exploration and puzzle-solving. Players will need to locate specific items and clear challenges to progress the story. The game is designed to encourage a leisurely pace, allowing players to discover numerous secrets and experience multiple endings. This depth of gameplay ensures that players are fully engaged as they strive to achieve the resolutions that Luzia, Sombria, and Ashina deserve.