Takashi Sone is living on his own while he is attending college. Out of the blue, his parents tell him that his sister, Mafuyu, is moving in to live with him and that she will be attending a high school in h...

Koizumi Shintarou is 30 years old, a virgin, and has isolated himself in his room for 15 years. He has become a burden on his father, Koizumi Yasujirou. One day, Shintarou makes a proposition that if Yasujir...

Japan enacts a polygamous marriage system in order to revitalize its sagging economy as well as the birth rate. But to qualify, you must earn income substantially greater than the average, or have completed ...

Goto Nagi has travelled to the southern island of Okitsushima, and ventures out to see Umi no Misaki, a striking cape jutting out into the ocean. But when he arrives, he finds that there is much more to this...