The day before he was to move to Tokyo, Dai visited Momoko, a woman he admired and a friend of his mother. Before parting ways with the woman he had admired for a long time, Dai waited for an opportunity when his mother was away to confess the feelings he had hidden deep in his heart. Momoko, who had heard the innocent feelings of a younger man confess to him, was confused, but she gave in to him... Dai gave his virginity to the woman he admired, and on their first and last night together, they engaged in an intense love affair, as if they were piling on the feelings he had not been able to express until now...