A/N: Italics represent the past activities

The cool air blew hard against the windows, making them cackle against the window frames. The boys were fast asleep, save for Wonho, who had been talking to Number 4 since the rest had settled.

-

It was earlier in the evening. The boys had found a hidden spring nearby and decided to go have a proper shower. Number 4 was left to look after their belongings along with Minhyuk and Kihyun. The trio didn't speak at all. Number 4 was laying on the cold floor, staring out the window. The sky was was awfully clear that night, with every star in the sky shining bright, the moonlight was pouring through the windows. Kihyun had no idea how to start a conversation with her without the feeling that Minhyuk would either get awkward or try to join them, so he kept to himself, occasionally stealing glances at the girl. Minhyuk on the other hand was just watching the two clueless idiots from his corner. He so badly wanted to make an excuse to leave but he was told to stay in the room. 

When the rest of the boys finally got back Kihyun and Minhyuk were the first to stand up, not reaslising Number 4 hadn't followed them. When they re-entered the room they saw her in Wonho's arms, crying. Minhyuk was the first to react, as usual.

"What's wrong?" He asked slowly. 

Number 4 removed herself from his grasp, a smile plastered to her lips.
"Wonho is my brother. That birthmark. I remember it." She pointed to his upper chest where a small deformed cresent-like birthmark was. 

Everyone was smiling at the scene, even Kihyun. He was happy she'd re-united with her brother, he was even happier that it wasn't some random he'd have to kill. He didn't know what came over him but he just felt over protective of the girl. 

-

The siblings conversed til the middle of the night when Number 4 didn't fully manage to stiffle her yawn. Her brother merely laughed and patted her shoulder saying it was time to sleep for both of them. She finally gave in and scooted over to where Kihyun was sleeping and laid down. She didn't know why she wanted him so much, but leaving him alone at night wasn't something she would do anymore. 

The next morning, same scenario. Kihyun woke up with Number 4 in his arms. Instead of freaking out, he just held her closer to him and decided to rest his eyes for a while more. 

They were later woken up by Minhyuk who mumbled something so soft that Number 4 nearly couldn't pick up what he was saying. But she did. "Why can't you guys be cute when you're awake too." 

She couldn't help but laugh at him and wriggle out of Kihyuns hold to chase him out of the room, leaving the boy on the floor, cold and empty again. He heaved a sigh and got out of bed. Before he could fully stand up, Wonho was at his side a smile on his lips. 

"It's so cute that you like my sister." 
"I don't like her, what the hell." He glared at the boy before packing up his sleeping bag. 
"Yea right, you looked so bummed when she left your side, and yesterday she even crawled over every single person here just to sleep by your side. When's the wedding?" 

Kihyun couldn't help but blush at what he was saying. Once again her actions turned him into a mess. Not having anything to defend himself, he simply kept quiet, earning him a slap on the back and a laugh from the latter before he Wonho walked away. 

"Why are they taking so long.. They should have been back by now." Changkyun asked before leaving the room where he was met with guns pointed directly at him. 

Around 10 troopers were surrounding the house, guns all pointed at the entrence. Minhyuk was standing behind Number 4 with his hands up and the girl had a determined look on her face. 

"You think you can run away Number 4?" One of the troopers asked, earning a small snicker from the trooper beside him. 
"You guys think this is some kind of joke don't you?" She pointed at the one who spoke. "Get lost."

It didn't take long before the rest of the guys were outside by her side, looks of confusion on their faces. 
"Oh didn't you know? Number 4 here is a government soilder. Raised to kill since she was just a child. Top in all her classes and, how many people did you kill already? 50? You're no better than us."

"Hyun what's the meaning of this.?" Kihyun asked, how he spoke he didn't know. He was in too much shock. 
"Not now Kihyun."

There was silence from both ends before a shot was fired at Wonho. Number 4 wasted no time in deflecting the bullet and hitting the trooper right in face. She raised her hand at the rest, a smirk playing on her lips before the earth engulfed the rest of them whole. There was no sign of them ever being there, but the boys knew everything now. 

"I'm sorry. I'll leave." She said without turning around and walking off. She didn't walk too far before she heard someone shout, a gun shot and a bullet in her back.