Does Not Understand Sarcasm/Playing With

Basic Trope: Character doesn't realize when sarcasm is being used.
 * Straight: Cheerful Child Miki tells Natalie some bad news. Natalie responds with a deeply sarcastic "That's just great..." Miki, confused, asks "Why?"
 * Exaggerated: Miki doesn't recognize when anyone is using sarcasm, no matter how nasty their tone.
 * Justified:
 * Miki is still young and innocent, and doesn't understand why someone wouldn't just say whatever they actually mean.
 * Or, Miki is from a radically different culture, where sarcasm isn't recognized.
 * Or, anything that could justify Literal-Minded, such as Miki being a robot.
 * Inverted:
 * Miki assumes many things said seriously are sarcastic.
 * Deadpan Snarker
 * Subverted:
 * Miki recognizes the sarcasm, but pretends not to understand it because people's reactions to having their sarcasm taken seriously is funny.
 * Miki does understand sarcasm, but doesn't respond to it in such a way that would suggest she understood it.
 * Double Subverted: But she frequently misses sarcasm anyways; she only claims to ignore it for laughs to hide this fact.
 * Parodied: Natalie says something she thinks is ridiculous in a sarcastic tone of voice. Miki knows it's actually true and thinks Natalie has figured out her secret.
 * Deconstructed: Miki's inability to pick up on sarcasm creates a gulf between her and her friends, who decide that it's proof that she's "stupid" and treat her like a complete idiot.
 * Reconstructed: Though Natalie finds it annoying that Miki doesn't recognize sarcasm, she also thinks it's rather cute, and tries to preserve her innocence by scaling down the sarcasm around her.
 * Zig Zagged: Miki does recognize when Natalie is being sarcastic, but only sometimes. There are times where she takes what Natalie says literally, or responds with sarcasm herself. Sometimes, she deliberately pretends that she doesn't understand just to get on Natalie's nerves (or if she is the subject of sarcasm, which would overlap with Insult Backfire).
 * Averted: Miki understands sarcasm as well as you would expect.
 * Enforced: "We need Miki to be the odd girl in the group. How about we create an inability to understand sarcasm?"
 * Lampshaded: "You're using a rather strange tone, and saying things that are clearly false. Why?"
 * Invoked:
 * Miki's mother raised her not to understand sarcasm because she didn't want to deal with a snippy Bratty Half-Pint.
 * Natalie makes a Sarcastic Confession to Miki.
 * Defied: Miki's mother taught her to at least be able to recognize sarcasm, even though she also taught her that it's not very nice.
 * Discussed: "Don't you think Miki's inability to understand sarcasm is a bit... annoying?"
 * Conversed: "You'd think that after a while Miki would be able to tell that Natalie's not being serious when she uses that tone..."
 * Played For Laughs: It usually is, as it's a comedic trope.
 * Played For Drama: Miki and Natalie's Doomed Hometown is being attacked. During a lull in the fighting, Miki asks Natalie "Is it safe yet?" Natalie responds acidly "Oh, yeah, totally safe." Miki then scampers off to go find their other friends, who were outside defending their village; Natalie is forced to chase after her to try and keep her from getting herself killed.

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