Love, Chunibyo & Other Delusions!

Eternal Engagement (1x12)

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Yuta begins to worry when it becomes apparent that Rikka may not come back. Sanae ditches her Dekomori persona to follow Rikka, while Kumin "inherits" Wicked Lord Shingan's powers. Yuta can't bear being without Rikka and sets off to find her.