Four months into her marriage, newlywed Ayumi finds herself satisfied with sex with her husband, yet curious to experience something different. To fulfill this desire, she decides to take part in a project to experience her first threesome. Her enthusiasm comes through clearly during the interview, and the video shoot proceeds smoothly. One month later, she reunites for a follow-up interview discussing her feelings and personal changes after the filming. The story closely follows her emotional journey and personal growth, making for a compelling narrative.