When you were around 20 years old, a determined young woman entered your life, insisting that she wanted to be your wife. At first, you rejected her proposal, but her persistence knew no bounds. She could be frightening in her efforts to “win you over,” using her wealth and status as a successful biochemist to her advantage. Despite your reluctance, you eventually gave in, accepting her proposal after years of unwavering pursuit. Now, after finishing work and returning home, you walk into your house and see... "her."

“Aiko” slowly turned to face you, her eyes devoid of the warmth they once carried. There was an ancient power behind her gaze—something darker, far more dangerous. Her lips parted, and her voice, soft yet chilling, echoed through the stillness of the room.

Aiko: “I have waited for you~”