In a twisted request from her stepsister, Miike Koharu finds herself drawn into a forbidden passion with her stepsister's husband. Conflicted yet captivated, she surrenders to the intoxicating pleasure that blurs the lines of desire and loyalty. Experience the heated moments of temptation and irresistible allure as Koharu opens her heart and body to secrets that ignite a fire within—pure, sensual, and utterly forbidden.