the loving jinguji couple, celebrating their fifth wedding anniversary, nao learns about couples who take nude photos together. nao, who has always supported her husband without complaint, whispers to him that she wants to try it at least once in her life. her husband consults with his boss, ooki, who insists on introducing them to a famous photographer. on the day of the shoot, her husband is overwhelmed by the atmosphere and struggles to make up his mind to undress, so ooki offers to step in.
