Yuna never wears a bra at home. Whether it's because she dislikes the feeling of being constricted or simply wants to stay relaxed, she has her own reasons. Lately, her father's thoughts have become increasingly consumed by this one fact. Though they're family, constantly seeing his teenage daughter's bare chest is beginning to take a toll on both his mind and body. Yet the more he tries to suppress it, the more forbidden thoughts keep creeping into his mind. This story captures the father's inner turmoil and emotional conflict.