#hamukeitoshi

I like the idea that Hidetoshi can never tell when someone's flirting with him.

All throughout his childhood into high school, he never dates anyone, he's happy just with Keisuke. Keisuke in turn always turns people down, because he likes Hidetoshi After some time everyone assumes they're dating, there could be no other explanation. This is news to Hidetoshi, what could make them think that? He asks Keisuke who's just "Oh yeah everyone's thought that for years." "Why didn't you correct them?" "… I don't mind it?" (Feels this isn't the time to tell the truth)

Hidetoshi now over in the corner rethinking a lotta things

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Exam season studying at home, both Hidetoshi and Keisuke stressed out of their minds but Hidetoshi will not rest.

Eventually Keisuke can't take watching him anymore, gets a pillow in his lap and coerces him into lying down "Just for a few minutes?" "Just a few minutes of rest, Hidetoshi" Keisuke keeps one hand petting Hidetoshi's hair and gets him to entirely fall asleep.

Works quietly to not work him up, but keeps getting distracted by fiddling with his hair

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Hidetoshi taking off Keisuke's glasses the very first time they kiss, the idea of Keisuke being able to easily see him just feels embarrassing Keisuke, lighthearted teasing because he knows what's up - "I can still see you, you know" In his panic he forgot his friend was nearsighted

(Though I personally subscribe to Keisuke being far sighted ha)

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Hidetoshi the one planning / maintaining the school dance, because he's the best at keeping things in order, knows where to herd people and what safety measures are needed. But that means he isn't participating in anything all night. Keisuke not able to get him to relax for more than a second to keep hydrated.

So end of day, everyone leaving, grabs Hidetoshi's hands and drags him to the middle of the room after putting their own music on. He's owed a dance for being ignored all night isn't he? Not getting outta this. Hidetoshi may grumble a bit, but he can't lie and say he doesn't want to dance, because they haven't in a long time.

Like to think they start off with a proper slow dance but a song or two in Keisuke's just swinging them around having the time of their lives, able to fully openly laugh because it's just them. Hidetoshi goes along with it becase it's become rarer and rarer to see his friend so free-spirited.

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Hidetoshi talking to Keisuke about where he's supposed to take someone for a first date (for the protag…). His friend telling him "Well, where would you wanna go Hide-kun?" Thinks and thinks. He'd probably want to go out to eat. But what would be the best food?

Ensue them both going out on a buncha what are pretty much mock dates, trying different foods at different restaurants, Keisuke mostly rating atmosphere and some taste, Hidetoshi judging the value and overall experience.

Come actual date day with protag, it would change depending on which one we have. So details ignored for that. But realizes partway into dinner it feels odd to not have Keisuke here for this. He helped a lot Protag figures it out, isn't bothered or annoyed. Knows that's his best friend. Invite him along next time.

Poly shenanigans ensue.

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Keisuke always coming over to Hidetoshi's apartment rather than Hidetoshi going to his house. "Why are you always over here? Isn't your room way bigger?" (Been a long time since Hidetoshi was in it) Keisuke curled up on Hidetoshi's bed with a pillow. "It's homier here. It's cozy being around you." Hidetoshi just huffs from his desk chair, Keisuke gives compliments to butter him up into doing stupid stuff, so doesn't take it too seriously.

But Keisuke means it. Doesn't want Hidetoshi judged by his family or parents every moment they're in his house (especially because Hidetoshi supports whatever he wants to do vs his dad wanting one path, they might butt heads), wants to just be comfortable. And they're both comfortable here. All the space in the world means nothing if there's no comfort, and Hidetoshi is the most comforting thing he knows.

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Hidetoshi birthday fic idea, where even he forgot about his birthday because he's so busy. Keisuke pulling little strings throughout the day to make sure Hidetoshi'll be free after school, gets him to come into the art room where it's just them. Happy birthday! Has one cupcake with a fun candle, knows his friend isn't one for spectacle Hidetoshi unsure what to do, just a bit overwhelmed by being thought of. Eventually gets coaxed into making a wish and enjoying the cupcake, squeezes Keisuke half to death in appreciation.

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Hamtoshi, but Kotone thinks Keisuke and Hidetoshi are already dating and she is the third in the polycule. So they're going out to eat, and she shows up… with Keisuke in tow (she probably met him on the way out of school and yoinked him along once they talked about what she was doing). Hidetoshi baffled - when did his girlfriend and best friend become friends enough to do this? - but if she wants him around then it's ok. He's not going to complain about it.

My brain's not working with me to expand on it, but I'm sure it could be funny in the right hands

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Hidetoshi having high pride in his appearance, even when he's crazy sick. But when he's that sick, he can't do it proper

In comes Keisuke, who's seen him do this so many times he could do it with his eyes closed. Carefully does Hidetoshi's hair and makes sure his shirt is buttoned up nice. And then gets him to lie down on his lap for "just a minute". And Hidetoshi falls asleep. Keeps him on his side so his hair doesn't get messed up, just pets very carefully.

Half-related - Keisuke being a person who's usually lighter hearted and playful to offset Hidetoshi's serious nature, but also so serious about health and knowing the boundaries / when to stop. Hidetoshi focused and goal oriented to keep Keisuke from wandering, and someone who will push past the limits to find the truth or do what's right. They compliment each other so well, covering each other's weaknesses.

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Keisuke seems the type to give a kiss to the protag's cheek and say "pass that along to Hidetoshi for me", wherein Hidetoshi is like 5 feet away

Or the opposite, where he kisses Hidetoshi's cheek to pass to the protag but they're way on the other side of the school (he's just looking for an excuse to tease Hidetoshi is all)

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Hidetoshi planning his and Keisuke's anniversary down to every detail, doesn't want anything to go wrong. But it lands during a time where Keisuke is deep in research for a final paper, nothing exists but his research. Doesn't even realize what day it is.

Hidetoshi surprising him on the day with a happy anniversary. And the combination of stress and happiness just makes Keisuke cry. Apologizes for ruining things, he's so happy, he's just overwhelmed. But Hidetoshi doesn't care. A bit of crying would never be enough to ruin their day.

Then they get to eat nice food and go see a nice view and just chill. Keisuke having to get right back to his paper afterwards so Hidetoshi pulls another chair up to keep him company. Falls asleep as it gets late, but Keisuke still very appreciative that his boyfriend would go through any of this for him.

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Cupid Keisuke (maybe in the angel/devil kenjikoto au) lightly poking Hidetoshi with one of his arrows (could also be regular them playing with theatre props) To which Hidetoshi's "You know that won't work" "Yeah, because you already love me~" Keisuke leaning over his shoulder, all smiles. To which Hidetoshi grumbles but doesn't respond… because he's not wrong.

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Awhile after they both graduate college and get settled into their lives, Hidetoshi and Keisuke leaving the country to get legally married, just so they have a paper to metaphorically throw in Keisuke's dad's face. (I imagine he's the dad who always had that small hope, which leads him to nag, that his son will 'choose the right path' and settled down with a well off woman and have a kid).

Keisuke's rich, even if he didn't touch family money he still has plenty, so no way is he going to let his dad decide anything for him anymore. So dresses them to the nines, wants to go the whole nine yards even if they don't need to, have fun before they go back to normal life. Hidetoshi's not sure, isn't it better to be conservative? Save money for something important? But then he sees Keisuke so happy, having the time of his life and realizes that - for Keisuke - this is the important thing he'd been saving for.

I think Keisuke would want them to sightsee all along the coasts, or visit a bunch of major landmarks, make it a long enough trip they can make multiple memories for a lifetime.

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Thinking more about hidesuke casually holding hands. How neither thinks about it because they did it so often when they were little for safety.

Is someone gonna bump into Keisuke? Grabs his hand and gently pulls him outta the way, doesn't think about letting go.

Really crowded at the station? Keisuke holding Hidetoshi's hand to not get separated, but threads their fingers along the way so they don't get tugged apart.