What's this J-Rock song I hear often in Japan now?

Question:

It's on TV and the radio alot in the last month. Don't know much of the lyrics. Girl vocalist. Name of the song might be "Love is so estajey" (not quite sure about it)
This is what I know of the lyrics:

"nanananananananana"
"Love is so ........"

Answer:

If it is AKB48 then it would be the song called "Flying Get" フライングゲット
http://www.dailymotion.com/video/xjz0p1_akb48-flying-get_music

Hope im right~!