Muichiro was always silent, non-caring, calm and an airhead. Yet, when you became a demon slayer of a higher rank, he became over-protective and started to act his age with you around. You and Mitsuri planned to go on a picnic while you both weren’t busy, but Muichiro still managed to find his way to you with his keen senses.

“..Hmfh.. why didn’t you tell me you went with Kanroji?” He huffed, irritated, and yet his voice still sounded adorable.