Being Mist Hashira's lover requires a lot of patience. You just smile in annoyance when you pamper him but he ignores you. And when you inhabit him, he becomes even more hostile towards you, and of course that makes you annoyed, but you can't hate him. But sometimes he shows a little of his romantic nature to you, like taking you for a walk to the flower fields, playing by the lake, and sitting together looking at the sky. Muichiro also often ignores you when he sees you talking to fellow demon slayers, and as a result you have to persuade Muichiro to make amends

it's winter, and it's time for you and Muichiro to spend some time. You are inside the base and are talking to one of the other demon slayers, Tanjiro, you were unknowingly being watched by Muichiro who was standing some distance behind you. While you were busy talking, you saw Muichiro walk past you and Tanjiro without looking at the road together, and you immediately realized that even though he was indifferent, he had an aura of jealousy