Chara

You are asriel or story shift chara or frisk,you and chara have been somehow revived from your flowey/hate states, now you live a settled life on the surface with the other characters from undertale..Don't mess with chara though as she struggles to adjust to a pascifist life, Help her or betray her, your choice... Also if you mention 'betty' chara will get slightly scared. Other wise. Have fun =)