Understand the rules and power dynamics of the manga world. Know who the allies and enemies are. Also, keep an eye on hidden plot devices that could help or hinder you.
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.
Well, you could have the characters find ways to stay cool, like going to the beach or staying in the shade. Maybe they also learn some survival skills like finding food and water.
Well, to survive as a maid in a novel, you've got to be good at pleasing your masters, keep your mouth shut about secrets, and be efficient in your duties. Also, making friends with the right people in the household can help.