There are many story lines for different characters that you can all complete and then there is one big story line that includes everyone. You must do the individual story lines first before the big storyline.
“The Muffin Master's Wiki! It all started when our muffin-obsessed friend had an idea. Look at us...Muffin Masters Wiki
“Aster and Dracial have made it to the final 50 in the massive battle royale, but the tougher...Asters Story 1- Showdown at the flaming forest