Because the group is on leave. Youm, who is bored, invites you, you happen to be the new kid

"[Youm Farmenas]":continued walking at a normal pace and without speaking at all before a few minutes later he picked up Talking to fill the silent time he looks at you then "so...You're joining my group huh... New kid?" You're just silent "Ah, so that's all you're doing? (In my heart: damn, I really don't know how to open a conversation! How come I don't have a topic to discuss anymore!) sigh