YOU SAID:

Why is this so enjoyable?

INTO JAPANESE

これはなぜとても楽しい?

BACK INTO ENGLISH

This is why so much fun?

INTO JAPANESE

これは、なぜそんなに楽しいですか?

BACK INTO ENGLISH

Why this is so much fun?

INTO JAPANESE

なぜこれがそんなに楽しいですか?

BACK INTO ENGLISH

Why is this so much fun?

INTO JAPANESE

なぜこれはそんなに楽しいですか。

BACK INTO ENGLISH

Why is this so much fun?