IDOLiSH7 is more successful than ever, but no one is smiling because a new threat has taken the stage: the debuting idol group ŹOOĻ. Managed by the nefarious entertainment executive Ryou Tsukumo, they will stop at nothing to get their way, resorting to all kinds of underhanded tactics to bring down their rivals. TRIGGER's image has already been ruined by scandal, and IDOLiSH7 and Re:vale are headed for the same fate—or worse. Meanwhile, Zero, the legendary idol who disappeared 15 years ago, continues to haunt the present through those he left behind. His manager seems to be in contact with Tsukumo for his own schemes, and Zero's songwriter reveals himself in a letter after having been missing for years. IDOLiSH7 finds an ally in Re:vale to thwart ŹOOĻ's plans while trying to make sense of Zero's colleagues' actions, but it may be impossible for everyone to emerge unscathed.

Shizuma Origasa, once a renowned samurai in the Aizu Domain, has fallen on hard times following his home region's crushing defeat against the new imperial government. To make ends meet, Shizuma now works as a rickshaw puller in Tokyo. Meanwhile, he tirelessly searches for his missing fiancée, Sumie Kanomata, the younger sister of his close friend Gennosuke, who had entrusted Shizuma with her safety in his final moments. After foiling an assassination plot, Shizuma is hired by the police force, and he uses this opportunity to further his pursuit of Sumie. However, he soon lands in a whirlpool of political conspiracies involving government loyalists, persistent rebels, cunning courtesans, meddlesome foreigners, and even a mysterious yakuza member, Kyoushirou Shuragami.

After escaping a violent encounter, Touko finds herself lost in the chaos of a city under invasion by Spiders, a tribe of people with dangerous supernatural abilities. Touko has traveled to the city intending to return the possessions of Haijuu, a fire hunter who died protecting her. She is aided by Haijuu's dog, Kanata, and Akira, a fire hunter who has protected her on her journey so far. When Akira is drawn away by an important task, Touko is swept into the battle's confusion to begin a new journey of her own. Meanwhile, Haijuu's son Koushi fights to defend the city. Though physically unremarkable, Koushi's ingenuity has aided in the development of a few useful weapons. These include a powerful cannon capable of casting down ungodly lightning to smite the invading forces. With such destructive force seen as an offense to the gods, the deity Hibari seeks to stop him. As they are both drawn into the unraveling plans of scheming gods and humans alike, Touko and Koushi struggle to survive.

For as long as the locals can remember, the Champignon Witch, Luna, has lived hidden in her cottage on the outskirts of the kingdom, deep within the Black Forest. Despite her occasional trips into town to deliver medicine, no one dares to come close to her as poisonous mushrooms grow everywhere she goes. Furthermore, as a black witch, Luna must lay low to avoid execution, as the kingdom only acknowledges and accepts white witches. Luna's lonely life turns around when she saves a dying boy named Lize. Upon learning that Lize is destined to become The End of All Things, Luna offers to become his teacher and stray him away from the path of evil. She must overcome her inexperience and create a great magician out of Lize to avoid his execution.