MYSTERIES OF MY SCHOOL PART 2 - CHILDREN'S DAY MYSTERY When I was in 5th grade, one of my senior sisters passed away in school due to a heart attack. During a PET period, the PET staff asked her entire class to run around the ground twice. She was not feeling well that day. She struggled to complete the first round and, following the PET staff's command, continued to run around the ground once more. Suddenly, she fell to the ground, unable to breathe, and fainted. Her classmates took her to the PET staff, who immediately informed the Principal and called an ambulance to take her to the nearby hospital. The doctor later confirmed that she had already died on the way to the hospital. That was the last Children's Day we celebrated by wearing colorful dresses. Since then, we were not allowed to wear colorful dresses on Children's Day instead we wear uniform. Many claim that her ghost still wanders the school campus, and some have even reported seeing her ghost at night. So...