Mitsuki’s dreams come true when he is isekai’d to another, magical world! Once he meets the kindly priestess Menou, his grand adventure is sure to begin… right?

When Akari unveils a terrifying ability, Menou grants her a stay of execution... temporarily, at least. A foolproof method of delivering death is just a train ride away.

An ordinary trip by train goes off the rails when Menou and Akari are caught in the crossfire of a terrorist attack on Princess Ashuna.

A priestess pure, just and strong—or a villain reviled by all? Menou knows precisely which one she wants to be, and she has one person to thank for her singularity of purpose.

As Momo investigates a rash of disappearances, Menou and Akari spend a final day together. But sinister forces move in the shadows, and the upcoming ritual isn’t as it seems…

A ominous plot unfolds, trapping Akari and Menou in its center. But help is coming from the outside — and from within, too, if Menou can play her cards just right.

The dreaded Pandemonium provides the people of Libelle a stark reminder of the power of Pure Concept — and it reminds Menou of what’s at stake in her quest to kill Akari.

As Momo and Menou unearth the source of monstrine, Akari takes matters into her own hands. But there is more to the mysterious Manon Libelle than she bargained for...

Manon reveals a startling connection to Menou’s mentor and an even more startling power, but she's far from the greatest danger lurking inside Libelle… or even inside herself.

What are the consequences of an Executioner failing to eliminate her target? For Menou and Akari, the answer is more terrible than anything they could have imagined.

Chaos reigns in the fight against Pandemonium, and with ether in short supply, Menou is running out of options to defeat the looming evil. But through Akari, there is a way…