A dramatic webtoon illustration in the exact art style of the manhwa "High School Conquest" (고교정벌), sharp cell shading. Modify the reference image by changing the students' positions: exactly three high school students must be sitting only at the back-row desks located in the foreground on the far left side of the classroom. The front rows near the chalkboard must remain completely empty. The entire right half of the classroom, including all middle and foreground desks on the right, must be completely empty and clear. The three students in the left foreground are turning around in shock and terror, looking backward at the viewer. Keep the exact frontal perspective and design.
