The final year of school life, a class full of boys welcomes the new teacher, Mr. Yagi. The students are captivated by Mr. Yagi, who shows off a deep cleavage with a "boing." However, this class is full of slackers: students who nap during lessons, skip club activities, and feign illness to escape classes. Mr. Yagi, with his H-cup marshmallow-like bust, disciplines these naughty students with firm corrections. Yet, instead of reforming, the students desire even more discipline...
