Aisuru Hito wo Korosu Toki, Watashi wa Nani wo Omou Darou

It all began on the night of Erica's fourteenth birthday. The ruthless Imperial Army launched a brutal assault led by an enigmatic armored man, killing the citizens of her kingdom. To compound the tragedy, the Armored Man took the life of the person Erica loved most in this world—her mother—right before her eyes. What should've been a joyous celebration turned into a nightmare, leaving Erica to grapple with the heart-wrenching loss of her mother, friends, and the familiar world she once knew.

Ever since that day, Erica has vowed to avenge their deaths and kill the Armored Man. She finds solace in Raoul, a young man she meets by coincidence. As their bond deepens, Erica remains blissfully unaware that Raoul conceals a dark secret—he is the very Armored Man she seeks to destroy.

This gripping tale unravels the intertwining destinies of Erica and Raoul as they navigate the tumultuous journey of growth and hardship. Will vengeance tear them apart, or will it be the force that binds them together in an unexpected twist of fate?

(Source: NHN comico Corp.)