With their parents working from home, the brother and sister can't get any alone time. The brother, a devoted sibling who would die for his sister, and his sister, "Iori," who acts like a girlfriend, showering him with affection. The unemployed brother, driven by his love for his sister, spends all his savings to book a luxurious suite at a high-end hotel. This is all for the purpose of indulging in their love for each other. The sister, caught in the alluring atmosphere of the private room, becomes increasingly aroused. The moment she releases the suppressed desire she's been holding back, her lust knows no bounds, and she can't help but suck on her brother's cock relentlessly...