After the events of Arc 1, Konata and Tsumiki now recruits Tomoko Kuroki into the Agency. However, new sinister forces are a loom when a new villain named Brainiac wants world domination, and the Agents will find this to be the hardest task of their lives.

A multiversal agency where they protect the multiverse from evil. But this story is a refresher from missions, where characters of age, species and size will interact with one another. Feel free to look around the WDF.

Years ago, Haruhi Suzumiya has created a time quake which is unbeknownst to her. But what she also didn't know that the other worlds were experiencing the same thing, and this brought the attention of the Umbrella Corporation. She created the SOS Brigade to find what she's looking for, while the Umbrella Corp. watches their every move.

A team of people has gathered to save worlds from chaos around. When Konata Izumi has been gotten free from the tyrannical Irene Engel, it is up to her and the group to fight the evils that Engel has enlisted. Will they be the ones to save the world? And what secret does Konata have?