Yura never wears a bra at home. Whether it's because she dislikes the feeling of being constricted or simply wants to stay relaxed, her father isn't sure. Every time he holds her, his heart trembles. Each time he catches sight of his daughter's developed breasts, a sharp, piercing sensation stabs deep within his chest. And no wonder—despite being family, constantly seeing her like this takes a heavy toll on his mind and body. Does Yura realize what she's doing, or is it just coincidence? Unable to resist any longer, her father finally reaches his hand toward her bare, braless chest as she provocatively teases him.