Sanada Asami

The life of apprentice Buddhist priest Satonaka Ikkou continues at grandmother Kawahara Joutoku's Saien Temple. A new girl named Kazusano Kazuki joins up with the six other girls and Ikkou. With Kazuki around, Ikkou will find himself in more embarrassing situations with these nuns-in-training.

In the future, mankind will venture to the far reaches of the cosmos using technologically advanced trains. The fleet of the Galaxy Railways transports countless galactic citizens from one exotic planet to the next, protected by the Space Defence Force, or SDF, the elite force protecting the Railways Fleet against terrorists, meteor storms and malicious alien life. Source: ANN

The Galaxy Railways, which crosses the vast universe, seems to have to go out of service, as unexplainable events happen on its trains. One time, an SOS message arrives to the Galaxy Railways headquarters from Galaxy Express 999. The message was sent from the vicinity of Planet Helise, a place which is called "the planet of forgotten time", since the galactic rails end there.…

The story begins on planet Destiny, which claimed to be where the center of the Universe is, where all the terminals of "The Galaxy Railways" are gathered. The main character, Yuuki Manabu (20 years old), carrying on his dead Father and Brother's will, joined SDF (Space Defense Force) to protect the safety of the Galaxy Railways. SDF, in order to uphold the reputation of…