Most Helpful Guy
Hanging out in groups is just a safe way to get to know you, it often alleviates any awkwardness that may arise if it were just the two of you. Give it some time and maybe one of yoy may work up the courage to ask one another on a date or something like that.
Most Helpful Girl
He really just wants to hang out with you, but he just said group because he's not sure if you are interested in you. He's definitely interested in you.