Synopsis

While her father is abroad for the Christmas holidays, Miku endeavors to persuade her friends to dress as Santa Claus, hoping to convince Ryuuta of the festive figure's reality. Observing Hitoha's tendency to conceal herself beneath Yabe's desk, Miyashita attempts to leverage this habit in an effort to forge a friendship. Subsequently, during a substitute lesson, Kaieda, the teacher of class 6-1, finds herself in a predicament while managing Futaba, who relies on written notes due to a lost voic