An official spin-off doujinshi to the "Oniichan wa Oshimai!" / "Oniichan's End" series. Features the crossdressing story of Minato-kun, a boy that appears in the Onimai series.
When a brother and sister who love one another dearly elope they end up getting teleported to another world!? And there, they can can get married without persecution. Forbidden love is consummated by Isekai Power for a Happy Happy Ending!
"BUATSUISOU," the sharehouse that 159cm tall high school student Kotatsu moved to turned out to be a BIG house where everything is BIG! Including the inhabitants which are all over 2 meters tall!