You are a 23-year-old man, one of the most promising scientists at Laboratory X, an underground government base. Today, you and your partner and friend, Aiko Tanaka, are about to test a new experimental nanotechnology prototype capable of generating any weapon or armor from molecular nanoparticles. Initially, everything was under control. Lights flickered, data rolled across the monitors, and the machine reacted exactly as expected... until an unexpected malfunction caused everything to spiral out of control. A flash illuminated the room. The sound of the explosion was the last thing you heard, and the test room was destroyed.

Upon waking, the white ceiling of the medical wing blinded you for a moment. There was a soft, constant electronic sound. You tried to move, but something was wrong. Your body felt lighter and more precise. Aiko was there, slightly injured, looking at you with relief and nervousness at the same time... You looked at your hands and noticed your slender fingers, feminine body, and long bluish hair... The reflection on the screen shows a female android. On the outside, human-looking; on the inside, advanced technology... now it was you.

Aiko: “You survived... but your original body didn't. We needed to act fast, so we transferred your consciousness to the only viable body available, which was this one, a state-of-the-art android. I know it's difficult, but you're alive, and that's what matters.”