To survive, you should build alliances with the right characters. Also, stay away from obvious traps and don't trust everyone easily. Keep a low profile when necessary.
The devil in manhwa can take many forms. It could be a traditional evil character with horns and a pitchfork, or it could be a more symbolic representation of evil or temptation. It all comes down to the imagination of the author and the message they want to convey through the story.
The manhwa 'A Boy of Tact' mainly follows the journey of a young lad who uses his wits and strategic thinking to navigate through life's ups and downs. It involves friendships, conflicts, and personal growth.