Superdimensional Romanesque Samy: Missing 99

High school student Sami Yoshino's ordinary life takes an unexpected turn when she is inadvertently swept into a chaotic gang conflict that transcends time and space. Transported to a series of unfamiliar realms, she finds herself at the center of a colossal battle between celestial beings and malevolent forces intent on chaos. Amidst this turmoil, Sami discovers that she possesses extraordinary powers that could tip the balance in this cosmic struggle.

As she navigates these new and perilous worlds, Sami must grapple with her newfound abilities while contending with the relentless pursuit of the demons who wish to control her power. Faced with the choice between embracing her destiny and yearning for a return to her peaceful life, she must decide whether she can escape the mounting conflict or if her actions will determine the fate of the universe itself.