Hi! Can I request the characters finding out that reader is a secret admirer of theirs but reader doesn't know they found out, like what would they do after. Sorry if this doesn't make sense
Demon Slayer Characters Reacting to Finding Out Y/N is Their Secret Admirer (Without Y/N Knowing)
📌 Post Info Characters Included: Hashira (Rengoku, Giyuu, Shinobu, Sanemi, Obanai, Tengen, Muichiro, Gyomei, Mitsuri) Main Trio + Genya (Tanjiro, Zenitsu, Inosuke, Genya) Upper Moons + Muzan (Kokushibo, Doma, Akaza, Gyutaro, Kaigaku, Hantengu & Clones) AUs Used: Canon-Compliant Short Summary: The Demon Slayer characters secretly discover that Y/N is their secret admirer, but Y/N has no idea they know! How do they react, and what do they do next? From smug teasing to flustered panic, everyone handles it in their own way!
🔥 Hashira 🔥
Rengoku Kyojuro
Gets all fired up with joy but pretends he doesn’t know.
Drops way more compliments than usual.
Subtly tries to catch Y/N in the act of leaving gifts or notes.
Plans a dramatic confession when the time is right.
Giyuu Tomioka
Internally panics but remains unreadable on the outside.
Becomes hyperaware of Y/N’s presence and actions.
Avoids confronting them immediately, afraid to scare them away.
Lowkey hopes they confess first so he doesn’t have to.
Shinobu Kocho
Smug but amused, teasing Y/N indirectly.
Might set traps to catch them in the act.
Leaves fake clues to see how Y/N reacts.
Secretly flattered but waits for the perfect moment to reveal she knows.
Sanemi Shinazugawa
“Tch. Idiot.” (Internally: I’m the idiot for feeling this happy...)
Acts more protective over Y/N, whether they notice or not.
Tries not to get his hopes up but ends up being obvious.
Watches for more signs and may purposely walk into their setups.
Obanai Iguro
Is very suspicious at first but then melts inside.
Kaburamaru delivers tiny notes back to Y/N without them knowing.
Subtly tests if they truly admire him or if it’s a joke.
Once sure, he watches over Y/N like a silent guardian.
Tengen Uzui
Instantly feels ✨flamboyant✨ about it.
Leaves dramatic hints that he knows and finds it hilarious.
Starts treating Y/N like a secret lover before they even confess.
Plans the most extravagant reveal—fireworks included.
Muichiro Tokito
Seems indifferent but keeps Y/N’s gifts like treasures.
Might space out thinking about them more often.
Lets Y/N think he’s still oblivious while subtly reciprocating.
The moment Y/N confesses, he deadpans: “I knew.”
Gyomei Himejima
Deeply moved, might even tear up in gratitude.
Prays for Y/N’s happiness whether or not they confess.
Becomes more protective and kind, ensuring they are safe and happy.
Would wait patiently, trusting fate to bring them together.
Mitsuri Kanroji
Freaks out in excitement but tries to act normal.
Gushes about how cute Y/N is without revealing she knows.
Gives Y/N even more affection than before.
Blushes twice as much around them and waits for them to confess first.
🌊 Main Trio + Genya 🌊
Tanjiro Kamado
Smiles warmly, feeling incredibly flattered.
Wants to make sure Y/N is comfortable before responding.
Would be the type to confess before Y/N has the courage to.
Leaves sweet, indirect notes as a way of gently pushing them.
Zenitsu Agatsuma
Screaming. Crying. Fainting.
Thinks he should pretend he doesn’t know but fails miserably.
Becomes even more dramatic around Y/N.
Will accidentally blurt out “I KNOW YOU LOVE ME” in panic.
Inosuke Hashibira
“Hah?! Someone’s got a crush on ME?!”
Initially doesn’t understand why.
Tries to catch them in the act with horrible stealth.
Ends up just bluntly asking, “Oi, you like me, right?”
Genya Shinazugawa
Completely flustered but pretends he didn’t see anything.
Avoids Y/N at first because he’s nervous.
Ends up acting extra nice without realizing it.
Would confess first once he gets over his anxiety.
🩸 Upper Moons + Muzan 🩸
Muzan Kibutsuji
At first, he’s indifferent. Then, intrigued. Then… possessive.
“How foolish to admire me, yet how fortunate for you.”
Secretly watches over Y/N, waiting for them to reveal themselves.
Once they do, he ensures they never leave his side.
Kokushibo
Internally shocked but keeps his cool.
Feels undeserving of admiration but secretly treasures it.
Observes Y/N more closely, his curiosity growing.
Won’t reveal he knows unless Y/N confesses first.
Doma
Smug and playful, acting completely unaware (but he’s not).
Purposely says things like “I wonder if I have a secret admirer~?”
If Y/N is shy, he’ll make it very hard for them to stay hidden.
The moment Y/N confesses, he smirks: “I knew, my dear~.”
Akaza
Conflicted at first but ultimately flattered.
Watches Y/N from afar to confirm if it’s true.
If Y/N gets nervous, he’d gently encourage them.
Will probably confess first once he’s sure of his own feelings.
Gyutaro
In complete disbelief.
Assumes it’s a prank at first.
If Y/N is genuine, he starts acting softer around them.
Wants them to confess first but ends up revealing he knows.
Kaigaku
Acts like he doesn’t care but is DYING inside.
Becomes extra flirty or mean just to test Y/N’s reaction.
Secretly wants them to be braver about it.
If they take too long, he’ll be the one to confess.
Hantengu (and Clones)
Hantengu: Terrified.
Sekido: Annoyed but secretly blushes.
Karaku: Instantly teases Y/N.
Aizetsu: Flustered but happy.
Urogi: Wants to surprise Y/N with a confession first.






