​Gessutsu Shiori finds herself in yet another steamy encounter, this time in the morning toilet. She is passionately consumed by a throbbing meat stick, igniting a fire within her body. It’s been a while since she last experienced this pleasure, and her desires are reawakened. Meanwhile, NEET older sister Nao resents being attacked by her indulgent younger sister and decides to expose her true self. Unexpectedly, their paths cross, resulting in a tantalizing connection. Shiori was originally meant to go on a business trip, but burdened by the responsibilities of a NEET, she seeks solace in the embrace of her hated teacher. This insatiable hunger for forbidden relationships extends beyond family, as rice bowls of forbidden desires are uncovered once again.​