When I returned home after five years working abroad alone, my daughter Ruka, who was once just a little girl, had grown into a young woman. I began to see her not as my daughter, but as a woman, and I felt intense jealousy when I saw her flirting with her boyfriend. That night, as I gazed fondly at her adorable sleeping face, unchanged from before, I couldn't control my emotions and ended up kissing her. When I suddenly came back to my senses...