Definitely Mozaik Roll and Rolling Girl if there was a male version XD Rolling girl is pretty complex. I don't think it's possible to pin just one meaning to it and most of the opinions I've read people write about it all seem to fit. And Moazik Roll is just awesome (^^)
My situation in love right now, and for the past two years, has been just like Suki Daisuki... 気持ち伝えたいよあなたに、この気持ちどうして苦しいの…