During the three years spent at Advanced Nurturing High School, Ayanokouji Kiyotaka learned the importance of rivals and comrades, defeat and his own emotions. Things he could never learn in the White Room created a deep lingering regret within Ayanokouji, who after graduation became an instructor of the White Room and lost his freedom once again. "I want to fight Ryuuen and Sakayanagi one more time, but more than that, I wanted to respond to the feelings of everyone who showed me love" On one such ordinary morning no different from usual, when he opened his eyes, for some reason a young Yuki was there...

It's a Chabashira self insert