Shinryaku! Ikamusume Squid Girl (series) by Ishikawa Masakazu #513667
Mangaka: Ishikawa Masakazu, Uploaded by bredoman Apr 09, 2011,
Ishikawa Masakazu, Diomedéa, Shinryaku! Ikamusume, Nagatsuki Sanae, Aizawa Takeru, Arashiyama Goro, Scan, Character Sheet, Official Art, Squid Girl (series)