Spoiler Summary [Click to show or hide]:
In OPM Manga Chapter 16, Genos and Saitama entered the Hero Entrance Exam, and after a few tests, Genos made a perfect score of 100, putting him in the S-Class hero division. Meanwhile, Saitama got 71 points making him at C-Class- the lowest class…
They were soon called for a seminar with Snek and discussed their responsibilities as a hero.
After the seminar, Saitama and Genos walked home, reminding the former that he is now his student.
The next day, Snek and another character talked about the two passers. The other character applauded Genos’ perfect result, which was not seen in 2 years.
As for Saitama, he thinks that a God lives in him after passing all previous records in the physical exam, even if he failed much of the mental exam.
He also pointed out that Saitama may surpass Snek one day who is at A-Class, Rank 38. After hearing this, he went out and attacked Saitama and was beaten immediately.