難攻不落の≪ドレッドノート≫ (Associated Names)

Year 1999. Due to a meteorite collision, Holes connecting Earth to a parallel world opened. Lemuria Confederation, one of the two major powers in the parallel world, launched an invasion against Earth, disregarding their bafflement. The Earth’s side fought hard against the parallel world’s magic, enlisting aid from Astoria Kingdom which was the other major…