It's considered rude and unkind to exclude family members.
Jake invites his sister Maggie to hang out with his friends for the night.
Jake wants to entertain his friends.
Jake shows his friends Maggie's favorite movie.
Jake starts a game of Smash Brothers handing a controller to everyone but Maggie.
Maggie bonds with Jake's friends.
Maggie sits around awkwardly before leaving the room.