Watch Online Free on Watchseries. The story follows Etsuko, a neglected wife from the wealthy Okazaki conglomerate, who travels to the resort town of Karuizawa to escape the summer heat. Disconnected from her husband, she unexpectedly reunites with her childhood friend, Yuji. This reconnection reawakens deep, suppressed desires, leading her on a passionate journey of self-discovery in an abandoned memory-filled mansion.