Promotion to Sequence 0 in Kexue World

The two protagonists, the male protagonist Ryuaki Hoshi and the heroine Kudo Shinko, are both single and have no CP. [I am high school detective Kudo Shinichi. When I went to the amusement park with my childhood sweetheart classmate Mao Lilan, I accidentally witnessed the suspicious transaction scene of the man in black. At that time, I was focused on the transaction and did not notice another accomplice approaching from behind. I was force-fed poison by that man, and when I woke up... My body had shrunk! ] Not only did she shrink, she also turned into a girl. A suspicious man calling himself Curly Baboon provides clues about a potion called "The Witch." The magic potion with strange power, the poison that can make people smaller, what is behind the man in black and the curly-haired baboon. The fog is attracting detectives. Although the body has become smaller, the mind is still flexible. Detective Kudo Shinko is serialized! Note: The plot has been changed and the timeline is confusing.