1-D learn more about point system. They need to change their habits if they want to score some. But few students don't want to change even if they are facing expulsion.

Kiyotaka explains to Suzune what he did last three days before test. And why everybody get such good scores on tests. But Sudo failed tests anyway and is going to be expelled.

Classrooms analyze their and others test results. Points distribution is late. Three students from 1-C reported Sudo for attacking them.

Sakura received some weird messages on her portal, than some pictures of herself. Kiyotaka and Suzune are trying to find evidence that would set Sudo free.

All students go to the cruise. Chabashira informs Kiyotaka that somebody requested his expulsion. If he don't help others to promote to A class she will use first opportunity to expel him.

As part of a special test, the school has brought the students to an uninhabited tropical island where they must now live for a week. Their performance on the test can have an enormous impact on the point standings of the four classes.

Class D has achieved a degree of unity in facing the special test, so Ayanokouji and Horikita head out to see how the other classes are getting along. Class B is working together to make a comfortable life for themselves, while Class A remains secretive.

With the panty thief incident already eroding Class D's trust, Horikita finds her leader key card stolen. While they try to figure out who did it, the base camp is thrown into chaos with a new incident of arson.

Survival test is coming to the end. Things don't look well for 1-D. Key card is stolen. And now Suzune is forced to withdraw due to her sickness. Kiyotaka will try to turn things around.

Ayanokoji makes his final decision on how to deal with Ryuen and the Class C threat.

With the approaching class vote, a disturbing atmosphere hangs over Class C and fills them with suspicion. Second-year Class A's Asahina informs Ayanokoji that Ichinose has asked for cooperation from student council president Nagumo.

After conversing with her brother Manabu, Horikita offers Yamauchi name as the one who should be expelled. Not only has he made few contributions to the class, but he also worked with Sakayanagi in Class A to expel Ayanokoji.