I don't think there using eachother but who knows if they'll be a couple after the show. I hope so but for that to happen they'd need to live closer to each other.
Im really not sure, I mean こんにちは they could be doing this just for the 表示する または this 愛 thing they had befor jeff got eveticd could be real which wimch hoping it is because they would make a real good couple.Right?