YOU SAID:
Happy day I’m Gloom
INTO JAPANESE
幸せな日、私は憂鬱です
BACK INTO ENGLISH
Happy day, i'm gloomy
INTO JAPANESE
幸せな日、私は暗いです
BACK INTO ENGLISH
Happy day, i am dark
INTO JAPANESE
幸せな日、私は暗い
BACK INTO ENGLISH
Happy day, i am dark
That didn't even make that much sense in English.