Xyz Dimension with them 

"So, who are you?" a silver haired girl with a mask asked the newcomers who wore school uniforms. One of the newcomers with red and green hair with red eyes looked like the leader of the little group. With the silver haired girl was a boy with black and pink hair, a mask covering his face as well. "He looks just like Yuto." the male blue spirit next to the boy said softly, pain laced in his voice.

"We've come here from a different Dimension, looking for our friend." the boy from before said, then seemed to be talking to someone, and then a spirit of someone they knew formed next to him. "Yuto." the girl gasped in shock, her hands coming up to where her mouth would be if she wasn't wearing a mask. The girl then jumped down from the pile she was on, coming right in front of the spirit. "Lu." her male companion said, tears forming in his own eyes behind the goggles. "Follow us." the girl said, turning her back to the boys and walking towards the resistance.

"It's him." the female blue spirit said, tears forming in her eyes. "Yes. But what happened to him?" the male blue spirit asked, looking back at the boys who were whispering among themselves.

"We're here." the male said, letting the boys walk in. "But we need a word with you." the girl said, stopping the red and green haired male from entering. "Don't worry guys. I'll be fine." the boy replied to his companions worried looks.

They walk some ways away from the resistance. "We know that Yuto's inside you." the girl said bluntly, causing the red and green haired boy to cringe. "Lu. Before we interrogate him, we should probably know each other's names." her male companion said. "Fine. Name's Lunaria. Lunaria Moone." the silver haired girl said as she took off her mask and goggles. "Yuma Tsukumo." her companion said, taking off his mask and goggles. "Yuya Sakaki." the red and green haired boy said, leaving his hand out to shake.

They shook hands and a jolt went through Yuya's body. "Nice to see you two after all this time." Yuto's spirit said as he appeared, and then noticed the two blue spirits. "Astral. Celestia. You two seem to be doing well." Yuto said as he smiled at the spirits. "So I'm not going crazy. They really are there." Yuya said in almost disbelief. "Only certain people can see us." Celestia said, smiling a small smile.

They were walking back to the resistance when Yuya suddenly asked a question. "What's up with Kite?" Yuya asked, Lunaria and Yuma, and the spirits, suddenly becoming quiet. "His family was carded. Right in front of him." Yuma said, clenching his fists to control his rage. "Of course, neither of us saw it. When we found him and asked what happened, Yuma was unconscious and I was carrying him." Lunaria explained.

The two of them then put their goggles and masks back on. "Once we get you back, we're going to head out and try to find more survivors." Lunaria said, then they began walking again.