[DeepL Translation - needs review] Volume 1 Introduction: A fearsome invader has come from the depths of the ocean to punish the humans who pollute the sea! The name is ...... Ika Musume! To start with, she tries to take over "Umi no Ie Lemon" to use as a foothold for her invasion on the surface of the sea, but ......?
(Translator: DeepL)
