"Kimi no Kawari wa Iyashinai" was the official cheer song for the 2014 Winter Olympics Japanese Team, while "What is LOVE?" was the ending theme for the NHK World show J-Melo from October through December 2013.
The single debuted at #1 in the weekly Oricon charts, making it the first time in Morning Musume history that the group has ranked #1 in the weekly charts for 4 consecutive singles. The single sold 160,265 copies..