A Shocking Truth!? The protagonist, Ryuki Kirishima, realized something. He questioned why he hadn't been shown Reiko's room for the past four years. The answer is here… He steeled himself and opened the door, and there…? Reiko's true nature was revealed, and the more she repeated her transgressions, the more he realized he felt a sense of liberation in the chaos… His feelings intensified to the point of no return. Their secret would continue even into adulthood.