Akuma de Fukei!

The sea in our world has been polluted. All sort of trash have been thrown into the sea, making it unpleasant to live underwater. One of the inhabitants of the sea, Ika Musume (Squid Girl) seeks to exact revenge on humanity for throwing trash into the sea. Clueless about the surface, she tries to invade humanity alone and rule over the world, only to find herself slaving away at one of the nearest beach houses for breaking a side of its wall.

Anthology booklets featuring various artists, included with special edition copies of Ueno-san wa Bukiyou volumes 6 & 7.

Goryo Daisuke is still unsure about which club to join. When he meets the three girl members of Mysterious Research Club while looking for the school's warehouse, he gets hypnotized to sign the registration form. Suzu who is obsessed with scary curses, Chiaki who only relies on her monstrous strength to perform dangerous magic tricks, and Kotone who can control people by hypnosis.

In her desire to find the perfect evil man to be her slave, the devil Eclair travelled all the way from the netherworld to a local country town's police station. And she set her sights on the evil looking cop, Kuwahara Daichi. Eclair wants to do everything to tame Daichi, and Daichi wants to drive her back to hell. What a romantic battle... or that's what it looks like. Actually Eclair is completely useless and Daichi can't let her be alone.