Squid Girl Shrunk is the 5th episode, and Squid Girl is part of the anime "Invasion!" One of the heroines in "Squid Girl" and its derivative works, Squid Girl comes from the sea and hates the humans who pollute the ocean. She decides to swim ashore and occupy the land to punish humans. Unexpectedly, before the invasion has begun, Squid Girl is forced to swim in the sea water. He worked in the bathhouse to pay off his debts and became good friends with humans.

Squid Girl can do all kinds of things with her tentacles. She can't swim without using her tentacles. She can spit ink, which is delicious when added to food. Her whole body can glow, and her blue tentacles can also glow. and study, and can play the drum. Squid Girl's adaptability is very strong. For high school mathematics that she has never been exposed to before, she can master it after just one explanation, and she can also learn English quickly.

Squid Girl has blue hair (actually ten tentacles, two shorter ones in the front and eight longer ones in the back), blue eyes, and a white hat-like hat on her head. Something, a white dress with blue lace, the same shoes, and a blue bracelet on her wrist.

"Invasion!" "Squid Girl" is a comic serialized by Masahiro Abe in "Weekly Shonen Champion" from 2007 to 2016. The single volume has 22 volumes. The single volume of the comic is published by Akita Shoten. The traditional Chinese version is published by Qingwen Publishing House. The simplified Chinese version is published by Surveying and Mapping Publishing House, and the electronic version is exclusively published by Bilibili Comics.