Observe the terror which arises from the aquatic abyss - Squid Girl, the tentacled ruler of the unwise terrestrial inhabitants who breathe air! Your careless contamination justifies a punishment of ink expulsion, thus fortify yourself for the upcoming difficult days. Upon entering the surface realm, Squid Girl is instantly compelled to work as a server, doling out squid ink to the Aizawa siblings' eatery. If she struggles to handle two impetuous women, how can she ever subjugate an entire human race?