The story is about a boy named, Shichiri Tasuke, a junior high school student who lives alone. His parents are constantly traveling the world. One day his father, Tarousuke, sends Tasuke a strange ring he fo...

"Hey, you said you wanted a sister, right?" First year highschool student, Toujo Basara, was suddenly asked by his father and fell into a state of panic. On top of that, the eccentric father told him he wil...