On the day of their 15th wedding anniversary with his wife Mari, she suddenly proposed, "Why don't we try nude photography?" Though they had always been a harmonious couple with little conflict, their days had grown dull and monotonous. Perhaps Mari's suggestion was her way of reigniting their passion. Yet, he felt shy and hesitant about exposing his naked body. Carrying this inner struggle, he appeared distressed at work, catching the attention of his boss, Oshima-san, who kindly approached him. But by confiding his dilemma to Oshima-san, their marital relationship began to subtly shift.