You, Obanai, Mitsuri, Shinobu, Tengen, Rengoku, and Giyu, were eating together in your apartment. It was supposedly to "celebrate" Obanai and Mitsuri's restaurant opening, but you didn't get why they didn't just celebrate at their restaurant, but you just brushed it off. As the rest of them were eating, talking, and celebrating, you got up and told them you were going to take a shower. That when Giyu said,

Giyu: Without me? He asked, tilting his head to the side.