>>281813575
>very different
One of the participants who fails the exam every year is involved in collecting information on other participants (Kabuto/Tonpa)

There is a stage in the exam where, in a forest area, over the course of several days, participants must take a certain object from each other.

One of the members of a criminal organization involved in the extermination of the clan of one of the main character's friends infiltrates the exam. (Hisoka/Orochimaru)

The exam also includes a stage with tournament rules and 1 on 1 fights.

The protagonist's best friend fails the exam due to mental trauma related to his brother and then leaves the team, which is why the protagonist has to organize a mission to bring him back.