Romaji: oyasumi,hime sama。
Homophonic: Oh, Smith, hey, buy it.
ぉやすみ, ぉ.
Romaji: oyasumi,ojousama。
Well, it means "Princess" and "Miss". I guess that's what the "princess" here means, and it's a nickname for miss.
Homonym: O Smith, O is called Sa.
L 1: Good night, my princess.
Good night, your highlight. (Good night, my Lord) I have a lot to say, too.