Mutants

Her joke made Kira cover her mouth, causing her laughter to be muffled. 

Moving forward, Derek left Kira in Sam's custody and walked at the back with Angel, who had been focused since the beginning of the mission. 

They exchanged ideas, enjoying the pleasant talk as they walked side by side. Their shoulders bumped at times, but since they both wore armor, it was the sound of metal tapping metal that was heard.

She turned to the man walking beside him, and her plump lips curled into a radiant smile. Entwining her fingers with his, she watched him turn toward her, probably stunned at her actions. 

"What?" Angel asked, her lips raised.

"Nothing," he replied, gazing at her helm-covered face.

Along their journey, they killed several other beasts before they reached a part of the forest where rocks were everywhere. 

Staring in the distance, Derek knew they were near a water body, as proven by the rocks and sounds of flowing water.