I thought I was here to take the exam for the Department of Biology, but it turned out to be the Department of Semenology! - ? - Mari Koizumi, an examinee student who wandered into a suspicious department with a strange old man in a white coat. - She is immediately touched by her breasts, her pantyhose is ripped, and finally she is ordered to pee in the classroom. - As expected from the Department of Semen, if you don't check the state of urination properly, you'll be in trouble after becoming a university student. - There are a lot of things to learn, such as how to suck a penis, how to use tools, etc. - In the beginning, I was puzzled by the naughty classes, but in the second half, I got used to it, and of course, the end was within the promised finish!