"That sounds nice." This is her favorite way to cook. Having someone to collaborate with. Having someone to share it with in the end.

"I've been thinking..." She hesitates because she knows she has far too much time for that right now, and that often leads to bad ideas. "I could... bring you lunch sometimes? I know it wouldn't be a lot of time but." He has so little free time, and she has too much. She doesn't even know if it would be allowed.

Don't think too much about what you're hearing in the background, Katsuya, it's definitely not her getting half-naked or anything.