[Machine Translation] The theme is "Love". This double A-side single contains two songs about the feeling of falling in love, one from the perspective of a man and one from a woman. One is "boyfriend," a heart-warming song with a message of "let's fall in love" during the spring dating season, and the other is "girlfriend," a song about the feelings of a man in love. The coupling song "party up! on the coupling disc. The DVD includes "boyfriend" (music video) and "girlfriend" (music video).