"That's an anal plug in there..." The daughter of a company president, her older sister is a candidate for the Japanese national track and field team, has a weakness for sunlight, is a student but has become a company director and is talented enough to earn 1 billion yen in an instant, and also has heterochromatic eyes. Is it a lie, a falsehood, a character setting... or is it the truth? The beautiful, busty, and mysterious senior, Kamishiro Noin, has just confessed something extremely lewd to me, and I'm going to see it with my very own eyes...