YOU SAID:

Pokémon is already japanese so what if I say that

INTO JAPANESE

ポケモンはすでに日本人なので、

BACK INTO ENGLISH

Pokemon is already Japanese, so

INTO JAPANESE

ポケモンはもう日本人なので

BACK INTO ENGLISH

Pokemon is already Japanese

INTO JAPANESE

ポケモンはもう日本人です

BACK INTO ENGLISH

Pokemon is already Japanese