Squidn't That Hypnosis?! / Shall We Join Tentacles?! / I Ink We're Alone Now?!

Opening Credits · OVA Opening | Let's☆Invasion Time! - ULTRA-PRISM

Opening Credits · S1 Opening | Shinryaku no Susume☆ (Let's Invade!☆) - ULTRA-PRISM with Hisako Kanemoto