In order to integrate into human society and life. Based on the anime "Invasion!" The query "Squid Girl" shows: Squid Girl comes from the sea. She hates the humans who pollute the ocean. She decided to swim ashore and occupy the land to punish humans. However, before she can launch her invasion, she is forced to work at the beach to pay off her debts. Squid Girl became smaller in order to make herself look more like a human and to better integrate into human life. By becoming smaller, Squid Girl is able to form friendships with humans and gradually understand and accept them.