Kei was scared to make that step forwards, towards the unknown. He was unsure of what might happen if he did continue onwards with this group of people. Will he be able to change? More than that will he be able to survive? Though this world's main trade was war, Kei had no experience in fighting.
He was unsure if he could defend himself, if a problem comes. Based on what he has seen, and the other information he has gathered. All the members of the Mercenary Club except for him, has the ability to defend themselves.
Still if he passes this chance to join this new world, he might regret it later. He knew like everyone else that a war was happening outside the borders, but being a normal citizen Kei never expected to find people related to that world so near him.
He was scared to make a decision, but if he doesn't decide now he might hesitate later and lose the chance to go forward. 'What should I do?'
...