Motto Atsumare! Falcom Gakuen

Motto Atsumare! Falcom Gakuen summary:

Xanadu, the land where the characters of Nihon Falcom, a game maker known for its blockbuster RPG works such as the "Ys" and "Trails" series, were summoned. The heroes and warriors were enjoying their school life, but it's time for all of them to return to their original world! But here again they are back! What is the reason???