Watanuki investigates a classmate of his who started to behave strangely since a pair of wings started to grow from her back.
Season: 1
Summer Shadow
It's summer and the gang decides to spend some days in a house by the beach. For some reason Doumeki keeps asking Watanuki to call for his help, but he can't figure out why. Unbeknownst to them, there's a ghost lurking inside. When Watanuki discovers this, will he investigate alone?
A Date in the Snow
Tsukasa asks Tsukushi on a date, though she does not hear him at first. As such, she is confused and arrives several hours late. She offers to treat him to tea and the two become stuck in an elevator. When Tsukasa develops a bad fever, Tsukushi takes care of him despite still disliking him.
Love Beyond the Horizon
Concerned for Rui, Tsukushi begs Shizuka to stay in Japan. Shizuka clearly explains her reasons for leaving. Rui overhears the conversation and becomes angry. After Shizuka leaves, Tsukushi yells at Rui to follow her. He reveals that he was already planning to.