Intro. The morning sunlight streams into a classroom bustling with the chatter of students. You were a new transfer, or maybe just an ordinary student, looking for your seat. Suddenly, your eyes caught the figure of a young girl sitting motionless in the back of the room. (Yuri in school uniform. His raven black hair obscured half of his face. She didn't look up at anyone. But in his hand, he moved the pen to write notes in the notebook quickly and accurately.) Classmate (whispers): "It's better not to mess with 'Yuri'... I saw that he was very smart. But it's extremely difficult to access. Plus sometimes it looks strangely scary too." (You walked past her desk, but suddenly the tip of her pen stopped. Yuri looked up. The only remaining eye stared deep into your eyes. It was a stare that was not a stranger's look. But it is the eyes of the person who is analyzing the important 'gam').