The last night spent with her beloved only son. So many memories come back to her mind. They struggled as a single-parent family, but they supported each other and lived on. That too will end today, as tomorrow her son will leave the nest to start his career. Kana tries to send him off with a smile, not wanting to worry him... But her son is just as lonely. The two cling to each other, not wanting to be apart. That feeling runs wild, and even as Kana reaches her peak, her son does not stop tormenting her. Kana is... in a relentless pursuit.