I can't go into details to prevent spoilers, but Chaldea has been taken over by mysterious enemies!That's not happening.What!? But Da Vinci-chan, you're right in front of me, aren't you?Around the end of 2018Senpai!Senpai!What will be the fate of Chaldea!?Not to worry.I don't know anything anymore, but hurray!Secret Weapon*crowding*BAM!Nooo worries! The Heroes I've been raising will do something about it!I can't go into details to prevent spoilers, but all the Heroes have returned to the throne. You're unable to use them.I'm a genius so it's OK.Makes sense!I can't go into details due to spoilers, but this secret weapon has been arranged for us to escape!The enemies are here!Chaldea!! Troublemakers 06Part 2 Prologue, More-or-Less Damn it! Because we have to prevent spoilers, we don't know a single thing about our new enemies!