It drops you back into that summer for twenty minutes and then refuses to explain itself, which is exactly the deal Denpa Onna always offered. Makoto walks to the festival with Ryuuko, ends up at the shrine where Erio is waiting, and gets ambushed by Yashiro announcing she's about to show off a fraction of her psychic power and ordering him three steps back before she lifts her left arm. That Yashiro sequence is the one reviewers keep circling, and it earns it, because the show hands the camera to her head instead of narrating what she means. SHAFT's production budget is visibly still in the tank here: festival lanterns, hard color blocks, the same tilted, over-composed framing the TV run ran on. Nobody's pretending this advances a plot. It's an epilogue, a lap around the block with people you already miss, and if you finished the series wanting five more minutes of them standing around saying strange things at each other, this is the five minutes.
Makoto finds himself caught between festival plans and unexpected encounters when Ryuuko drags him to the summer celebration. His night takes a strange turn once he arrives at the shrine, where Eio waits with her usual peculiar intensity. That's when Yashiro appears, brimming with confidence about her psychic abilities and convinced this is finally her moment to prove herself. She positions Makoto carefully, insists he step back three paces, and raises her arm with absolute certainty that something remarkable is about to happen. What unfolds is pure comedy chaos, the kind this cast specializes in. Yashiro's conviction clashes hilariously against reality while Eio observes with her characteristic deadpan expression. The night spirals into absurdity as the group navigates festival crowds, romantic confusion, and whatever supernatural nonsense Yashiro thinks she's unleashing. This bonus episode captures what makes the series work: character dynamics that swing between genuine affection and complete ridiculous mayhem, where nothing is quite serious and everything matters somehow.