YOU SAID:
Pen realm person is nice
INTO JAPANESE
ペン王国人がいい
BACK INTO ENGLISH
Penn people are good
INTO JAPANESE
ペン人はいい
BACK INTO ENGLISH
Pen people are nice
INTO JAPANESE
ペンの人々はいいです
BACK INTO ENGLISH
Pen people are nice
That didn't even make that much sense in English.