Happy Lesson OVA Series

During World War II, a teenage Jewish girl named Anne Frank and her family are forced into hiding in the Nazi-occupied Netherlands.

The new generation of the Royal Space Force and their endeavors to make it to space.

The year is 1945. Everything as usual in the Fukuoka city. Some places in Japan have already been scorched by the fire of war, but here it is relatively peaceful and calm. The school still working, and the boys play war in their spare time. Daichi and his friend are the commanders of rival squads. One day a newcomer appears in the class - Yoriko, a girl evacuated from Tokyo. Yoriko takes life very seriously, she has good reasons - her childhood ended after the loss of loved ones in the bombing. Children get to know each other and become friends. They, as the rest of the city, do not yet know that on June 19 their life will be divided into "before" and "after".

Loran Cehack is a spy sent from the moon to scout out Earth, whom they plan to invade. He grows to love Earth as his true home and, after discovering a giant mech from the dark ages, he begins to defend Earth in the war. The year is C.C. 2345. Growing tensions between the Earthrace and Moonrace have spiraled into an all out war. Mankind's only hope for peace lies with a young Moonrace boy named Loran Cehack, and his mysterious Turn-A Gundam, a relic of a dark history which nearly destroyed the Earth centuries ago. As a citizen of the moon, Loran is loyal to the beautiful Queen Dianna Soreil, all the while fighting to keep the technologically superior Moonrace at bay as the pre-industrial Earthrace tries desperately to catch up.

Following the events of the first movie, the Militia finishes restoration work on its excavated spaceship and travels to the moon to deal with Gym Ghingnham and Agrippa Maintainer, who along with Dianna Soreil form a governing triumvirate over the Moonrace. On the moon, the political situation rapidly evolves as new deals are made, setting the stage for a decisive final battle to determine the relationship between the people of Earth and the technologically advanced Moonrace.