37-year-old Yumi has been married for seven years but has never experienced satisfying sex with her husband. Sexual intimacy declined even before marriage, and they haven't had sex at all in the past two years. Hearing her female friends talk about their sex lives has left her emotionally stirred and increasingly frustrated. All the men she's been with until now have had small dicks, leaving her feeling unfulfilled. Now, she strongly desires to have sex with a man who has a big cock. She wants to be thoroughly dominated and pleasured, something her husband has never done. To fulfill Yumi's fantasy, an AV actor with a massive cock awaits her in a luxury hotel room. Upon seeing his huge dick, she gasps in awe, exclaiming, "It's huge!" Her ideal sex fantasy comes true in an instant, dreamlike encounter.