The second winter vacation at the Advanced Nurturing High School has arrived at last! But Ayanokouji's Christmas plans with Karuizawa fall through when she comes down with the flu, leaving him to spend the holidays alone... Or so he thinks, but the other classes' leaders won't stop blowing up his phone! Meanwhile Ayanokouji himself seems to have become the subject of gossip and speculation, as his classmates wonder: is he hiding something?