The Holy Land, Aftokrator

Short Summary
''Yūma activates his Black Trigger in order to fight a rabbit, but is mistaken by Makoto Chano and Itsuki Fujisawa of Chano Unit with an enemy Neighbor. While they're distracted with Yūma, they're saved from a Rabbit by Arashiyama Unit, who explains to them that Yūma is an ally. Then, the HQ is attacked by a pack of Ilgars, but Tachikawa helps fend them off. When he learns that the B-Class units are to go help evacuation where it's going slow, Osamu asks for permission to go help Chika, but Yūma is prohibited, as he could be mistaken for an enemy again and is more useful against the Neighbors, but Kitora offers to go with Osamu, saying she "owes them one".''

Adapted From

 * Chapter 47
 * Chapter 48