I recall some people saying the dragon boy thing is a play on the meaning of ryuen’s name
Khalid Isse
2023-10-22 00:44:18 +0000 UTC
it was not explained well in the anime, but for the special exam on the ship - koenji actually guessed the VIP correctly when he left his group. It wasn't just a random guess to get out, that is what ryuen was referring to. Also it wasn't cold outside, just only in that room they brought her to.