Hana-chan, who feels like she has taken a step forward as the secret of the ronin is gently accepted by everyone. This time, it's the major event of school life: the cultural festival. Oku-san also works hard at the maid café with Chiyono-san, and Mannen-san gathers the courage to visit the school. On the day of the event, the parents of the Four Heavenly Kings also gather here!