Yumi raised her only son single-handedly, dedicating her life to ensuring he landed a prestigious job at a top-tier company, growing into a man she could proudly stand beside. But suddenly, due to an unexpected company transfer to a distant city, her son would have to move away. Something Yumi had never imagined. Facing the painful reality of separation from her beloved son, she resolved to finally express her true feelings. The deep bond they shared, forged through years of love and sacrifice, began to manifest in a new, intimate way. Their bodies sought each other, drawing their hearts even closer—until the moment arrived when passion overcame them both.