-Right off the bat Haganezuka is NOT an easy man to get along with for a lot of reasons. His pride, temper, attitude, tendency for violence, and a few other things. The only ones whom really seem to get along with him or he likes back is Tanjiro, the master whom raised him, and Kanamori. So he HATES it whenever his father figure tries to play matchmaker for him.
-Sometimes he's rude to the woman that's sent to him on purpose because he's just so annoyed with this. Other times they leave on their own because of his attitude or occasionally he'll chase them out if he feels they offend his work. Sometimes he regrets it when in hindsight some might've just not understand him or misunderstood but he feels it's better that they left in the long run. However this ALWAYS peeves off the Master who scolds him every time.
-Believe it or not it's probably Kanamori who saves both their sanities by giving Master some relationship advice being one of the only swordsmiths cannonically married. "Instead of constantly sending ladies to Mr. Haganezuka, why don't you take time out to really think about who'd be a good match for him?" Thank Buddha someone has a good head on his shoulders there.
-Well he does, and around a few months time he showed up again on his doorstep with another young lady. "YOOHOO!! HATORU, CONE HERE!! I HAVE A LADY HERE TO MEET YOU AND SHE'S SO LOVELY MIGHT I ADD!" Cue the loud groan he gives off because master is playing matchmaker again. "NO!! I have no time for useless courting rituals!" "You come out here and see her this instant!!" "NO! My blades need sharpening!!" "Well if you won't come out then I'm sending her in!" Cue another long groan as he just faceplants his workbench. "Not again."
-He's waiting for another typical reaction. Girl flirts with him irritatingly. Insults him. Etc. But he's surprised when he hears the sounds of..Wind chimes? He's surprised when a very pretty lady shows up master behind her and one of those pretty glass windchimes like the ones he keeps on his hat in her hands. "Look, Hatoru! Isn't she so pretty!?" His master is frantically waving his hands at her. "Ooh! And what's this? She brought you a gift!!"
-He's surprised by the gift as it's something he genuinely likes but he assumes his master gave it to her to give to him. Wouldn't be the first time. He's suspicious as he takes the gift from her. "...Thank you for the gift, but you shouldn't have brought anything. We don't know each other." "I understand, but after I heard you enjoy wind chimes I thought you'd might like one of my family's." "Eh?"
-Turns out she had also come from a family of craftsmen. Jewelers. Tailors. Carpenters. And yes even a few glassblowers whom happened to make some of his favorite wind chimes. A whole bunch of people creating different things. And just so happens his master found out they had a single lady with no suitors. "Now you kids behave.~" he's literally elbowing Hatoru and winking at him from under his mask. "I'll just leave you alone to get to know one another.~"
-He's speechless sitting there with nothing to say, but she breaks the silence first. "That blade you're working on. Is it steel?" "NO! Are you blind?! It's clearly Nichirin!" She lightly frowns. "Now that's no reason to yell at me. I only inquired about it's materials. It looks relatively finished. How long has it taken you to make it?" He's surprised by the brush off but just frowns at her. "Five weeks! Now I'm very busy. Just save us both the trouble and leave!" "You are being very rude to a guest." "My master invited you not myself. My work wouldn't interest you anyways." "I wouldn't say that. Considering you're folding the metal to make it stronger."
-This man is staring as she not only explains his own process back to him, but suggests a few tweaks to make it sharper. Turns out she's related to a few metal workers too. He's surprised by her knowledge, but that opens up the topic of how he makes other blades or his interest in how some of other swordsmen make strange custom swords (such as Mitsuri's ribbon sword or Gyomei's mace/chain/axe combo). Or her family's products he uses such as tools, crafting tables, and of course his beloved wind chimes.
-He doesn't even realize he's actually enjoying the talks they're having until his Master shows up as she mentions it's time for her to go. "Well what do you think?" Haganezuka is just glaring at him after she leaves. "She's stubborn and not my type!" "But she didn't run away or look angry.~ I think this is progress.~" "STOP TRYING TO PLAY MATCHMAKER FOR ME, OLD MAN!!"
-Well he doesn't- "Hatoru, I brought her to see you again!!" Every week at least once his master brings her to visit him and each time he's annoyed but ends up just talking about his swords or other projects. Listener x yapper dynamic with him, he doesn't have a lot of people who he can just talk to about his projects. Unfortunately he doesn't realize he's starting to LIKE-like her at this stage. He's too busy showing her things. It's actually kinda cute.
-"This is the remnants of the sixth sword I made Tanjiro. Im reusing the metals by melting it down and adding more to strengthen it. And here! Im working on a new blade you can fit in your wallet! It's strong enough to still behead a demon!" "Why so small though?" "In case they need to go undercover of course! Look, look, look!! I'll show you how it works!"
-He still acts like her presence annoys him though. Until she starts to show up on her own without the master, he's shocked but assumes he still put her up to it. Never the less he's dragging her to the workshop to show her something new he made. "Hatoru, I didn't know you could make such beautiful combs."(I can't remember where but I read Haganezuka can make other things out of metal but prefers blades) It's a metal hair comb with a metal flower on it. Very realistic looking and beautiful. "If course I can! To know how to truly make a sword one must know how to utilize metal in all it's possibilities." "Well it's so beautiful. Would you like to come see how my family makes glass chimes?" "YES!!"
-He LOVES coming to watch others craft as well, and it's a good way to get him out of the house and around other people. He still hasn't come to terms with his feelings until he's working late one night and it sorta dawned on him in the middle of hitting a red hot sword with an iron hammer. "....Oh..Oh no!"
-He's suddenly VERY self conscious about the idea of courting her. He hadn't considered anything was courting up to now, and he knows he's not the best man. So he goes to the one person who he knows can help him with courting a woman- Kanamori ends up screaming finding Haganezuka climbing in through his back window. "MR. HAGANEZUKA!! WHAT-!?" "I DON'T KNOW HOW TO COURT WOMEN!!" Poor Kanamori nearly had a heart attack from Haganezuka asking for dating advice.
-Next time she comes to visit it's a HUGE spectacle. She arrives to find Hatoru shrieking at the top of his lungs cursing enough to make a sailor blush and chasing a screaming young man with knives in his hands. Right behind him is Kanamori who's trying to grab Haganezuka before he shishkabobs the teenager as the master just sighs.
-"Master, what's going on?" "That stupid child stole the courting gift Hatoru made you, a pretty ruby studded hair pin, and now he's at it again." "Should we stop them?" "He'll either run out of breath or the thief will. We'll step in then."

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Demon Slayer Posts
FanfictionMultiple headcannons, random posts, and x reader stuff from my Tumblr for Demon Slayer.