Air date: May 18, 2006
The rainy season is here. Watanuki is complaining about the wet weather. An Amewarashi (rain angel) who "oversees the rain" appears in front of him. She says she has a favor to ask. Then, Yuko forces Watanuki to go to a park with Domeki to "save" the hydrangea flowers...

Script: Ageha Okawa
Storyboard: Tsutomu Mizushima
Director: Makoto Baba
Animation Director: Fumiko Urawa