The Story Mode has a chat room area, which gives you access to the Lounge straight away but the other channels (Discussion Room, Story Roleplay) require you to have a character that has been accepted.
The format for the role-plays of this mode is generally focused towards one-on-one role-plays.
There are two types of role-plays available for the Story Mode and they are:
Fight role-plays allows you to engage in combat, while regular role-plays allows you to engage in a slice of life.