Nova's Battle, and the Monster's Identity

The Curse of Humpty Dumpty (2021)

Umi and Fuu continue fighting the monsters in the castle's residential quarters. Hikaru chases after Nova, who had threatened to kill Lantis. Nova finds him with Eagle, and promptly attacks! Meanwhile, Umi and Fuu are struggling against the monsters, but they realize that the black sphere is taking in the children's fear to create monsters…