Themesongs: The 100 Girlfriends Who Really, Really, Really, Really, REALLY Love You

• Dai Dai Dai Dai Daisuki na Kimi e♡ - Artist: Ayaka Asai
• Dai Dai Dai Dai Daisuki na Kimi e♡ - Artist: Maria Naganawa
• Dai Dai Dai Dai Daisuki na Kimi e♡ - Artist: Miyu Tomita
• Dai Dai Dai Dai Daisuki na Kimi e♡ - Artist: Asami Seto
• Dai Dai Dai Dai Daisuki na Kimi e♡ - Artist: Hakari Hanazono (Kaede Hondo), Karane Inda (Miyu Tomita), Shizuka Yoshimoto (Maria Naganawa), Nano Eiai (Asami Seto), Kusuri Yakuzen (Ayaka Asai)
• Dai Dai Dai Dai Daisuki na Kimi e♡ - Artist: Kaede Hondo
• Kyou no Ending wa Watashi ga Kaitotta kara Suki ni Shite Ii wa yo ne♡ - Artist: Hahari Hanazono (Sumire Uesaka)
• Kyou no Ending wa Watashi ga Kaitotta kara Suki ni Shite Ii wa yo ne♡ - Artist: Sumire Uesaka
• Sweet Sign - Artist: Nako Misaki