Koi wa a la Mode Koi wa BAN BAN KOI WA BISITA- Koi wa Bomber Koi wa Buroira / Chisa YOKOYAMA Koi wa Chigai-houken [Love Is Extraterritorial] Koi wa Discommunication [Love is Discommunication] Koi wa game ja nai Koi wa Hirameki koi wa iya iya Koi wa Kaze ni Notte Koi wa Kaze ni Notte (A. Guitar Verison) Koi wa Kouran [Kouran] Koi wa Lonely Heart KOI WA MAGIC Koi Wa Melange Koi wa Message no youni Koi Wa Mizuiro Koi wa Momoiro Koi wa naisyo de... Koi wa natsu kaze ni notte koi wa neppuu Koi Wa Non-Stop koi wa oatsuku Koi wa Ohsawagi Koi wa onna no inichino hanayo Koi wa prism Koi wa Pushphone? Koi wa runrun Koi wa Sessho ya Omahenka (Shouwa Version) Koi wa Sessho ya Omahenka [Love is Cruel, Don't You Think?] Koi wa siroi T-shits Koi wa Suriru, Shokku, Sasupensu / Aiuchi Rina Koi wa Tenka no Mawarimono Koi wa Thrill, Shock, Suspence Koi wa Thrill, Shock, Suspense Koi wa Yami KOI wa YASASHI NOBE no HANA yo koi wa yasashi nobe no hanayo koi wa yuugure Koi wa Zenkei Shisei Koi was Unbelievable! koi wazurai Koi wo Encore -- Okawari Sisters Koi wo Shita Kara.. Koi wo shiyo-yo Koi wo Shiyo-yo Yeah!Yeah! Koi wo shiyo-yo(ac g ver) Koi wo shiyo-yo(for you) Koi wo Shiyou yo Koi wo shiyou! Koi wo Shiyoyo Koi wo siyouyo koi wo tomenaide