Serie includes 140 albums .
Hatsukoi Galko to Nama Ecchi
Yowami o Nigireba Nikubenki ni Dekirutte Hontou desu ka?
○○○ shite! Galko-chan
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Shiranai
Oshierarenai!? Galko-chan
Galko Ah!!
Hybrid Tsuushin vol. 22