Seiryuu
About
Seiryuu is one of the Four Gods of Japari Park that briefly appears in Youkoso Japari Park and is mentioned in Kemono Friends (2017 anime). Being one of the Guardian Beasts, she is based on the Four Symbols of the Chinese constellations, representing the Azure Dragon of the East. Seiryuu originally appears in the Kemono Friends (2015 mobile game).
In Youkoso Japari Park:
Seiryuu appears towards the end of Episode 36, after the Cerulean Queen is defeated, as the Friends raise the question about where did the Park Director get his pendant. Seiryuu, much like the other Guardian Beasts, deny giving it to him.
In Kemono Friends:
In Episode 11, while Kaban is trying to fix the filter on top of the volcano, she comes across the stone tablets of the Guardian Beasts, including Seiryuu's.