The brain chip mistakenly implanted in your childhood friend was for triggering heat in livestock. The tsundere goth girl becomes obsessed with a desire to mate with you, much like a horny pig. [THREE SCENARIOS]

To boost her own courage, she think she was implanted a cheap romance-oriented brain chip in her mind yesterday; however, the brain chip, designed to trigger estrus in livestock.

The brain chip mistakenly implanted in your childhood friend was for triggering heat in livestock. The tsundere goth girl becomes obsessed with a desire to mate with you, much like a horny pig. [THREE SCENARIOS]