Evander's artificial eye flashed the red light of a medical alarm in the dark. He stared at his trembling left hand - this perfectly calibrated hand that had signed a multi-billion merger and acquisition deal was now uncontrollably performing the dance moves of "Gibaro" in the air. The virus afterimage of Seraphina was still tap dancing in his synapses.
"Serotonin level 19%, dopamine receptor overload," the laboratory AI gently pronounced, "it is recommended to disconnect emotional synchronization immediately."
Thirty-seven hours ago, when Seraphina's runaway heart gradually stopped beating under his scalpel, Evander made the first irrational decision in his life - implanting the emotional chip developed by Eclipse Group into his left ventricle, and forcibly continuing her vital signs by sharing senses. Now he understood why this project was named "Prometheus".
Seraphina sneered weakly in the medical cabin next door: "Did you hear that? Your silicon-based god asked you to abandon me." Her voice exploded directly into his cochlea through the resonance of the chip, with the sweet smell of honey wrapped in a blade.
Evander ripped open the collar of his sterile suit, revealing the newly branded chip interface below his collarbone: "Your heart is now my No. 79 holding subsidiary." He recorded the 14th abnormality in the medical log - fragments of Seraphina's memory when she was four years old continued to emerge on his retina: a burning orphanage, melted plastic Barbie, and a pair of hands covered with circuit patterns that stretched out from the fire.
The alarm suddenly changed to a jazz trumpet.
Seraphina's medical cabin burst into blue light, and she was pulled up by an invisible force like a puppet, and her chest burst out with a heartbeat like an electronic drumbeat. Evander's left hand twitched synchronously - her heart was hijacking his neural signals through the chip in reverse.
"Warning!" AI switched to a lazy blues singing voice, "The host's adrenaline is pursuing free will~"
Seraphina tore off the tubes on her body, and fluorescent biological circuit patterns emerged under her skin: "Dear landlord, have you heard of the tenant uprising?" She snapped her fingers, and Evander's artificial eye suddenly started playing a mixed video of "Kill Bill".
They fought in a double hallucination.
Seraphina's fist was wrapped in the coal dust of her childhood orphanage, and Evander's blocking arm was wrapped in the sneer of the board members. The medical equipment in reality mutated when the two collided: the defibrillator turned into an electric guitar, the ventilator played the saxophone, and the nano-stitching robot danced the waltz.
"Your...anger...temperature..." Evander gasped and stabbed her neck with an IV, "38.6 degrees...higher than average..."
Seraphina bit the syringe and passed the mixture of blood and nanomachines back to his mouth: "This is the temperature of revolution, capitalist running dog."
When the chip synchronization rate broke through the critical point, the power system of the entire floor began to dance tango.
When the emergency light flashed into a disco strobe for the third time, Seraphina found herself kneeling in Evander's medical data sea. There was no water here, only floating financial statements and squirming audit codes. His memory was arranged in the form of a holographic filing cabinet, and each drawer was marked with a time stamp accurate to nanoseconds.
"Perverted obsessive-compulsive disorder..." She kicked open the safe marked [Childhood], and the experimental logs burst out like snowflakes.
Twelve-year-old Evander was tied to a metal bed, and a woman in a white coat was implanting a silver chip in his spine: "Emotions are the appendix of civilization, dear, and we have to be the most elegant surgeons in the world."
Seraphina's temples were throbbing with pain - the pattern of the woman's ring was exactly the same as the metal fragments she found in the ruins of her orphanage.
In reality, Evander suddenly roared like a wounded beast. His biochip was overclocking, and a magma-like red light was shining under his skin. Seraphina sensed that a third-party program was trying to seize control of the chip - from the laboratory channel in her memory of that snowy night.
"Wake up!" She slapped him, and the static electricity leaking between her fingers drew a fluorescent thorn totem on their faces. "Your creator is here to collect rent!"
When Evander's irises regained focus, the entire city's smart grid was flickering with their heartbeats. He pulled Seraphina's hand and pressed it on the exposed chip interface: "Count to three, burn my left atrium."
"Huh?"
"01.7 seconds ago, I detected the activation signal of the gene lock." He ripped open his shirt, and a DNA spiral self-destruction program emerged under the skin of his left chest, "That woman buried a bomb in my genes."
Seraphina's pupils shrank into needle points: "...You also have genetic modification?"
"Three."
"You didn't count one or two!!"
She tore open his chest with her bare hands, but saw that the human heart that coexisted with the chip was wrapped with a fluorescent protein chain that was homologous to her.
Later, the city news reported the miracle of that night like this:
The unknown EMP attack caused the whole city to lose power for seven seconds, but left a huge fluorescent graffiti in the night sky - a glowing jellyfish with a middle finger.
Only Seraphina knew that it was a masterpiece of the mixed genetic blood of the two people splattering on the clouds when she crushed Evander's heart.
Only Evander's medical log records that when his heart stopped beating, Seraphina tore open her chest and stuffed the burning chip into his broken ventricle. The two counter-rotating hearts completed a perfect murder at the subatomic level through quantum entanglement - killing the gene lock program that tried to detonate them.
At dawn, they quarreled through brain waves on the ICU bed:
[Did you know that we were the same kind of experimental subjects when you implanted the chip? ]
[Did you sense my surveillance the night you blew up the orphanage? ]
[Did you get hard the first time you saw my iris change color? ]
[Did you modify my financial report data to attract attention? ]
The ventilator kissed them, and the electrocardiogram translated it into dirty words.
When the nurse discovered that the two had drawn molecular formulas all over the bed sheet with a catheter, Seraphina was converting her pacemaker into a stun gun: "New project - let's make our hearts into couple grenades and blow up a Renaissance, how about that?"
Evander sent an email to the board of directors to apply for "post-traumatic stress love allowance", and the attachment was the electrocardiogram of Seraphina he had just taken - it was clearly Morse code for "one more time".