Riri arrives at Yurigaoka Girls' Academy with the aspiration of becoming a Lily – a protector against the monstrous Hues – but discovers that her fellow Lilies are far more driven by rivalry and aggression than she anticipated. When a parti…

Riri was resolute in her desire to persuade Yuyu to become her Schutzengel, driven by a need to understand the shift that had occurred within her. Yet, Yuyu refused even to speak with her. As Riri navigated the halls of Yurigaoka Academy, s…

Riri is delighted that Yuyu has become her guardian angel, yet wonders if she can endure Yuyu’s rigorous training. Then, when a formidable Huge attacks, Riri catches a glimpse of Yuyu's hidden strength.

With Yuyu’s acceptance, Riri’s diligence has waned. Yuyu suggests Riri organize a group to maintain her momentum, anticipating failure. However, as Riri begins the process of recruitment, Yuyu may find herself facing a result far exceeding …

Yuyu yearned to find the perfect birthday gift for Riri, yet remained at a loss. Meanwhile, Riri wrestled with the challenge of recruiting two more members for her group. Could Yuyu conquer her shyness and discover a way to lift Riri’s spir…

Riri’s fledgling unit journeyed to observe a seasoned legion in action, hoping to glean insights into coordinated tactics. But the formidable opponent they faced proved to be something far beyond a typical adversary, and the strength of Rir…

Amidst the wreckage of a colossal beast, Riri discovers a girl shrouded in mystery. The girl, suffering from memory loss, swiftly forms a deep bond with Riri, who dedicates herself to her care. Yet, the girl’s identity remains unknown, and …

Yurigaoka School annually hosts a competition to determine the finest lily of the year. Riri harbors a concern for the novice Yuri, fearing she might be injured during the trials. However, with an unsettling number of observers gathering ou…

The revelation of Yuri’s origins branded her as a Huge. Riri spirited her away from the academy, but immediately orders were issued for their capture. What choice will the remaining Lilies make when commanded to hunt one of their own?

For a week, Riri is kept confined, a consequence of her defiance, and the grief of Yuri’s passing weighs heavily upon her, drawing her into a deep depression. The other members of her legion search for her missing hair tie, a small gesture …

While Riri and the others grapple with their sorrow, Yuyu withdraws, haunted by vivid images of Misuzu. As the colossal force descends upon Yurigaoka with unprecedented ferocity, Yuyu finds herself compelled to confront the very nature of h…

The colossal, devastating Huge bears down on Yurigaoka, leaving Riri as the sole defender. Can Yuyu confront her history with enough strength to stand beside her? And what hope remains for the other Lilies against a foe capable of nullifyin…