＜Contents＞ ●CD M-1. "Are You Looking at the Horizon?" M-2. "I Say" M-3. "Are You Looking at the Horizon?" off vocal ver. M-4. "I Say" off vocal ver. ●Singing Members ■ "Are You Looking at the Horizon?" All Types M-1 included Chiho Ishida, Rion Utsumi, Azumi Okada, Rio Okamura, Serika Ozaki, Riko Kudo, Yuka Kurushima, Sora Shinano, ★Sakura Sogawa (Center), Sayaka Takao, Mai Nakamura, Sayaka Harada, Aoi Hyodo, Akari Fukuda, Noa Zhuge, Sara Yoshida ■ "I Say" Theater Edition M-2 included Rio Okamura *One random photo will be included.