Primary

• Kiyomi Sakura Friend of Squid Girl
• Kiyomi Sakura Friend of Tomomi Mochizuki
• Kiyomi Sakura Friend of Ayano Watanabe
• Kiyomi Sakura Friend of Yuka Nishimura

Extended

• Squid Girl Friend of Takeru Aizawa
• Squid Girl Enemy of Nagisa Saitou
• Squid Girl Friend of Kiyomi Sakura
• Squid Girl Friend of Tomomi Mochizuki
• Squid Girl Enemy of Ayano Watanabe
• Squid Girl Friend of Yuka Nishimura
• Tomomi Mochizuki Friend of Kiyomi Sakura
• Tomomi Mochizuki Friend of Squid Girl
• Tomomi Mochizuki Friend of Ayano Watanabe
• Tomomi Mochizuki Friend of Yuka Nishimura
• Yuka Nishimura Friend of Kiyomi Sakura
• Yuka Nishimura Friend of Squid Girl
• Yuka Nishimura Friend of Tomomi Mochizuki
• Yuka Nishimura Friend of Ayano Watanabe
• Ayano Watanabe Friend of Kiyomi Sakura
• Ayano Watanabe Friend of Yuka Nishimura
• Ayano Watanabe Friend of Squid Girl
• Ayano Watanabe Friend of Tomomi Mochizuki