Rena and her husband have enjoyed a peaceful three-year marriage, but their stable life may also have lacked excitement. Wanting to preserve her natural beauty in photographs, Rena suggests posing nude. Her husband wants to grant her wish but cannot overcome his embarrassment. When his boss Oshima notices him brooding at work, he confides in him—never realizing that this conversation will throw his marriage off course and lead to shocking footage of Rena embracing the humiliation of nude modeling and cheating with Oshima.