These are collected from magazines Young King Bull 2021-03, Young King Bull 2021-04, Young King Bull 2021-08, and Young King Ours 2021-09. There are extra photos from the cosplayers' tweets from 2021 when promoting their appearances in those magazines.
VIDEOS: https://www.youtube.com/watch?v=uE1pgakiLns (Photoshoot of the girls!) https://x.com/kokoro777pp/status/1358374383664779265 (Ryomou 7 second photoshoot)