Ryuen and Sakayanagi.
One of these two will be tomorrow──
Defeated and left school.

The long second year is coming to an end, and the final special exam, the "End of the Year Special Exam," is finally held.
Three representatives, the vanguard, the middle member, and the captain, are elected in advance for each class, and they compete in a tournament with the representative of the opposing class.
However, the test content will not be disclosed until the test day.
“I’ll show you, Sakayanagi, and you what happens when I make up my mind.
“It doesn’t suit me, but I’ll break it and press it down properly.” “After the special exam at the end of the year, let’s have a leisurely cup of tea.
After defeating him, a showdown with Ayanokouji-kun awaits you in your third year.” Ryuuen and Sakayanagi, only one will survive──.
The climax of the popular School Apocalypse, the second-year arc! "If neither of us gets expelled during the special exam, then give me some time."