The editorial department receives submissions from various fetishists. Among them are many deeply intense and shocking accounts, and this release specifically compiles selected confessions from siblings who have entered into a forbidden relationship. The younger sister excelled academically and athletically since childhood, attending a prestigious local high school and later graduating from university, eventually marrying through a workplace romance—an outwardly ideal life. Meanwhile, the older brother became a social recluse after conflicts with classmates in high school, dropped out, and now lives at home with their parents as a hikikomori. Despite their vastly different paths, the two have developed a sexual relationship rooted in their blood bond, which evolves into a full-fledged BDSM dynamic. The brother treats the sister as his "slave," yet she also takes on an active role in dominating him, resulting in intense emotional surges and clashes. This shocking volume captures their taboo SM experiences, as these siblings consume each other's desires within the confines of their forbidden, intimate connection.