Overview: To reveal the truth of the case, Liang Cho leads his father (Liang Xin) to another place, while others go to the test site of an old factory in the basement of the school for evidence. .. However, the movement was also noticed by Liang Xin, and many of his subordinates lurking in the school attacked Futaba-chan and others. Sako appears in front of Futaba-chan, who has been forced into a difficult situation.