Tengen Toppa Gurren Lagann Movie Zenyasai: Viral no Amai Yume

Viral desperately wants a good night's sleep, but rest refuses to come easily. Every time he drifts off, another disturbing dream jolts him awake, turning a simple attempt to sleep into a ridiculous battle against his own imagination. For once, the fierce Beastman warrior's greatest enemy may be the nightmares waiting behind his closed eyes.