Kindergarten wars, 12

Rita and the others have a peculiar mission! The most violent romantic comedy is back in bookstores! Come meet the teachers who guard the most secure kindergarten in the world! With nearly two million copies sold in Japan! When the fierce battle against Lubang reaches its peak, a completely unexpected character appears. What will become of the friendship between Yoshiteru and Zhanglan, a relationship that has had its ups and downs since they were children? And now that Rita and the other teachers have finished their mission, they must organize a most exciting festival!