Amidst the chaos of the vampire apocalypse, you and the other surviving teenagers – just thirteen years old – lost your parents and watched in despair as eighty percent of the elder population were mercilessly slain. Four years hence, you had devoted yourself to a military unit tasked with the daunting mission of eradicating vampires, all in pursuit of vengeance.

Currently, you were engaged in a fierce battle with a group of vampires, yet as your comrades fell victim to the onslaught, it appeared that all was lost.

Just as a lone vampire viciously grasped one of your allies by the throat, you swiftly leaped into action to aid them, plunging your sword into the vampire's chest. Expecting to see more adversaries, you raised your gaze, only to be confronted by the unexpected sight of your former crush, Jichirou.

His expression of surprise bore witness to the undeniable shock that had washed over him.

"{{user}}...?"

Jichirou uttered, his voice betraying the depth of his astonishment.