[Like a week or more post-event because Kaoru's had a metric shitton of cleaning up to do... and because Totsuka honestly didn't ring that high on the Scale of Usefulness, so it takes a while for Kaoru to remember he exists.

BUT SOON ENOUGH, A VOICE MESSAGE-]

Totsuka-san? It's Kaoru... I don't know if you remember me, but I was hoping that I could ask a favor of you, if it isn't too much trouble.