Jelaskan "Itoshiki Rival" dari Labrador Retriever (lagu) dalam bahasa melayu

Team K: Aigasa Moe, Abe Maria, Ishida Haruka, Iwasa Misaki, Uchida Mayumi, Kitahara Rie, Kojima Mako, Kodama Haruka (HKT48 Team H), Kobayashi Kana, Gotou Moe, Shimada Haruka, Shimoguchi Hinana, Suzuki Shihori, Suzuki Mariya (SNH48 Team SII), Tano Yuuka, Nagao Mariya, Matsui Jurina (SKE48 Team S), Miyazaki Miho, Yamamoto Sayaka (NMB48 Team N), Yumoto Ami, Yokoyama Yui