kō • kai regret, remorse. feel sad, repentant, or disappointed over (something that has happened or been done, especially a loss or missed opportunity). _________________ the hope turned into regret after (Y/N) lost their dear friend. after he didn't get out of that room. after they knew what happened to him. after that dreadful trial took place. after the despairing looks of the other participants made (Y/N) realize... there was no way out. that was, until they met him. all characters and plot is from Your Turn to Die: Death Game by Majority/ Kimi Ga Shine, which belong to Nankidai