identifying as a Korean rather than the race that one was born into; transkorean
“¿Estás negando su existencia como persona transcoreana? Creo q vas a herir sus sentimientos si no le das la razón y le tratas como él se siente. No niegues su identidad, es más, hagamos leyes para reconocer su sentir” — Are you denying his existence as a transkorean person? I think you'll hurt his feelings if you don't agree with him and treat him the way he feels like. Do not deny his identity, what's more, let's create laws to recognize his opinion
From trans- + coreano (“Korean”), the earliest documented use dates to January 6th, 2018 on Twitter.