YOU SAID:

Just gonna eat this fish right here and swallow it until it goes into my stomach and dissolves

INTO JAPANESE

この魚をここで食べて、胃に入って溶けるまで飲み込むだけです

BACK INTO ENGLISH

Just eat this fish here and swallow it until it gets into your stomach and dissolves.

INTO JAPANESE

ここでこの魚を食べて、胃に入って溶けるまで飲み込んでください。

BACK INTO ENGLISH

Now eat this fish and swallow it until it gets into your stomach and dissolves.

INTO JAPANESE

さあ、この魚を食べて、胃に入って溶けるまで飲み込んでください。

BACK INTO ENGLISH

Now eat this fish and swallow it until it gets into your stomach and dissolves.