In the shadows of a secret chamber, Umino Hotaru surrenders to her deepest, most forbidden desires. Under the dominion of a perverse female director, her body and mind are explored through exquisite torment and sensual humiliation. Bound by shame and ignited by pleasure, she embarks on a provocative journey of masochistic surrender, where every tease and touch pulls her further into an abyss of lust and submission. Experience 171 minutes of unrelenting passion and dark desire.