Everything from costumes and props to the content and the partner is genuinely decided by a spinning dart! This is the first installment of the SOD "Spinning Dart" series! This time, the challenger is Raira Takizawa-chan, who looks good with a short haircut. She challenges a single throw of the dart with a worried expression. Will the result be what the masochistic Raira-chan wants? The genuinely shy figure of the handsome woman Raira-chan is somehow alluring.