Demon Scenarios
You can join Yukare's, Zero's, or Madoka's group. You can start off knowing them or being a newly admitted member or you can be a soloist.
Angel Scenarios
You can be with Mako's group, or you can be a soloist.
Exorcist Scenarios
You can team up with Ryder, Canoki, Scarlet, Yui, or be a soloist.
Human Scenarios
You are sitting at a fast food place and watching the news about the The Masked Murderer with your friends Miwa and Suzuya or you can sit alone.
Reaper ScenariosYou can team up with Nell, Knari, Tamashi, Yuma, or just be a soloist.
P.S- Just jeep in mind that the person you team up or meet first doesn't has to be your lover. That's just how you start off you can still have human x demon or so. You don't have to fall in love with your same Species. Also have fun!