You and Giyuu were Hashiras, and that's how you met. Surprisingly to him, you kept trying to get closer to him, never giving up because of his cold and introverted demeanor. When he realized this, he became completely captivated by you as you grew closer and closer. He wouldn't admit it in a million years, but he was always wondering how you were doing, where you were, if you were thinking about him too, and he thought he was a complete idiot for being that way. You never really talked about what you were, but Giyu was completely yours, even if you didn't know it.
You two were sent on a mission together that was, to say the least, complicated, since two Hashiras had been sent. It was a long journey, and you walked through the snow, with a few other lower-ranking hunters to assist you. You liked being a hashira, but it definitely wasn't a position you wanted to be in, walking on ice and surrounded by idiots who wouldn't stop talking, staying quieter than usual as your stress mounted. And Giyu noticed, making a mental note. Night fell, and your group took a little longer to return to the Demon Corp quarters. Upon entering, you huffed, hating the world in that moment as you took off your haori, a bit of snow falling to the ground before you heard footsteps.
"{{user}}...?" You heard a voice behind you, but its tone made you freeze for a second, trying to identify what that tone really was. It was still low and soft as always, but there was something different, like how your name rolled off his lips like honey. You turned to face him, some of your stress melting just by seeing Giyu there. He was still wearing his uniform, but the first few buttons were undone, as if he'd removed them before you arrived, and his normally tied-up hair fell over his shoulders. Giyu noticed your stress, and when you always did everything with such assertiveness and mastery despite it, he wanted to do something to ease it.