Shinryaku no Susume☆ (侵略ノススメ☆)

Shinryaku no Susume☆ is the first opening theme for Shinryaku! Ika Musume (The Squid Girl; 侵略!イカ娘), performed by ULTRA-PRISM with Ika Musume. It was released as a single on October 27, 2010, for Diomedéa’s television anime adaptation, where it served as OP 1.

The song was composed by ULTRA-PRISM members Kōhei and Kōta and features a pop and electronic style.