Love, Chunibyo & Other Delusions! S00 E20 Lite 6: Summoning an Archangel

In the past, Shinka and Satone Shichimiya spent a day with their two friends attempting to summon an archangel via summoning circle. The paper vessel ended up flying up in the sky due to the wind. In the present, Satone tells this story to Kumin in the clubroom, which embarrasses Shinka.