I just machine translated the commentary for that image and it turns out that was just a fanmade design. Ryuujou's not implemented in Azur Lane yet.
She is now and they've taken the dragon motif to the max abit
There's a whole buncha stuff that only I can do, ya'know?
Strong Kansai-benRyuujou-san, you popped up!All the best...!Really!?When in the heck was I even put in there!?That's you, dagnabit!Eh?Even in Azur, you're a tiny cutie!Eh?