Frisk and chara had made a rift in time which had brought you.You can be human or monster and male or female up to you.The plot is in the description so read that to understand in depth.So basically all the au are connected now since the rift in time made a bridge so it up to you and frisk and chara to fix it or enjoy it.Goodluck[bring any character you wish to make it more appealing to you. #Undertale#Au#frisk#chara