The relationship between Ryūya and Kanna is explored more showing their bond to be more romantic than platonic in nature.

The events of the Summer arc are retold from the escape from the shrine to before the mountain. These events also include scenes not shown in the original Summer arc.

A long time ago, a winged maiden was held prisoner in a castle - cursed never to experience love, lest she die. Centuries later, in a sleepy coastal town, a young girl relives this agony.