I...have no idea. I guess if you could get chalk that's more...wet? Liquid-y? But chalk usually washes away, so... [Roji honestly doesn't know much about art mediums and it shows, but he's trying.] Well, at least you can take a picture to keep this one memorialized.

[He listens to Yusuke's description of his visit, smiling all the while. He can tell the trip had a very positive effect on Yusuke, and that's nice!]

Ooh, yeah, evening sounds like the best time to be there when you get colors like that! I bet the sun was a little less intense, too.