|Season 1, Episode 13|
|Air date||June 25, 2011|
|Episode Director||Atsushi Nakayama|
|Animation Director||Shingo Tamaki, Tomoyuki Kitamura|
DD2 Episode 1
Promise (約束 Yakusoku) is the final episode of the first season of the Dog Days series. It first aired on June 25, 2011.
Just after Millhiore confesses her love for him, Shinku is sent back home and has no recollecions of his days at Flonyard. However, Ricotta learns that a way to make his memories return and be summoned back is possible, thanks to the possessions he left behind as a keepsake to his friends and the promise he made to them that he would indeed return. Upon regaining his memories, Shinku renews his vow to visit Flonyard again as soon as possible.