One by one

The nine martial artists finally found the trail left by John and the others. At first, they were confused as to why they couldn't find any, but as they continued searching they finally found some traces of them. They quickly followed the trail, but as they got deeper into the forest they reached a dead end and lost the trail. 

"They must be somewhere close by hiding. Let's split into three groups to search." One of them suggested and the others agreed. After forming their three groups they split up to search. 

...

Yui Hirohito was part of the nine martial artists who were ordered to escort Milly to the outside base. He thought that such a simple task would be easily handled, but one thing after another happened which led them to their current situation. 

Hirohito alongside his two companions dashed through the forest. As they have gotten deeper into the forest, Hirohito decided to stop.