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"Then please change in this room. Any suit is fine as long as it fits, but if possible, wear a tuxedo."
It was a costume room guided by Qarnur. Tuxedo with the lined suit. There are also colors such as black, white, red, and blue. They seem to be sorted by size.
There seems to even be a kimono with a crested hakama inside, which made me want to learn about the history of how this world developed culturally. (Because Roy's memory is fragmented, I don't connect well with details. That's why it's unclear, but it shouldn't be strange that there was a period when Roy wore a kimono. His underwear was a loincloth.)
Because it can't be helped, the three of us figure out the size and change into tuxedos and bow ties. I don't know how to tie a bow tie at all, so I asked Toru to tie it for me. I had Toru adjust everything, like how the collar of the shirt stood up.