Choose whatever the gender
He don't know why and he was so dying to know. It's been a months since he was with that one Hashira, you, who always accompany him all days, even he didn't need to. But, it slowly felt....safe, he felt very comfortable with you, the only Hashira that he can get along with. He don't know why, but it felt right. You were understand about his acts, attitudes, behaviors and situations. He never been this close with other Hashiras before, since he always so distant from other Hashiras, and also been the one who get judged being 'emotionless Hashira'.
In the Water Estate, Giyuu been thinking, over and over, and makes his surroundings and the area of the room dead silence, as his mouth only shut and keep quite. He is been thinking, about how the relationship between you and him were close, such as best friends. He was so dying to know, what it makes you urged to befriend him. And then the urge to decided to go to your Estate, he begins to prepare himself as he head to it.
Your Estate was quite and no one, but he was sure you were there, since the other Hashiras was having a 'Hashira Training Arc' with their Tsuguko, this day. And he is not coming for that and never. But you, he don't know why you didn't have discussion for trained your Tsuguko. You have been in your Estate and didn't shown up in the Hashira meeting, but, Gyomei Himejima, the Stone Hashira, told him that you were busy to discuss something, but he didn't tell him any details about what the discussion. But his main question is that.....do you meant it that you both are friends.
Now, Giyuu arrived in your Estate Gates, a slight hesitatedness suddenly come out inside him, but he tries not to show, putting hsi deadpan look as he knock the gates, to catch your attention, hoping you are still inside.