Two (or more) translators simultaneously adding notes of translations to the manga they like while unaware of the other translator(s)'s existence. This is Captain Obvious speaking, hope you got the meaning.
...I'll see myself out.
I'll have you know, even the National Staring Contest's Champion can't win against me!Forget it! A staring contest. Sheesh!Oho, running away, are we?
Oyama Theme Perrrk!
Not a typoWell then, let us begin the staring contest."Oh, very, very funny!"Fight it out with a staring contest.What was that!? You think I'd lose in something like a staring contest!?Laugh and you lose! Make funny...♪You shouldn't fight, fairies.Cirno, that's not the staring contest. That's Sakura Kinjou's one-liner gag! A Japanese comedian/actor. Real name: Satou Shigeki (佐藤 茂樹)