Surviving in chapter 3 of the manhwa as a player requires a combination of things. First, know your character's strengths and weaknesses. Second, use the environment to your advantage. And third, don't act rashly; think before making any big moves.
Surviving as a maid in a horror manhwa requires a lot of courage. You have to keep your wits about you, avoid being alone in dangerous situations, and look for hidden clues that might help you escape.