A comet that only appears once every fifty years will approach the Earth.A group of children were originally approved by the director of the observatory to use the observatory's telescope to watch comets, but they were disappointed when the old director was transferred and the new director refused to fulfill his promise.Ami deceived the staff of the observatory with the illusion of a comet hitting the earth, so that children could go to the observatory to watch the comet. However, at this "critical" moment, Asuka II not only did not escape, but even said that she only wanted to capture the holy girl...