A masochistic Shizuku who fully embraces her brother's dominant nature. Though harboring feelings for him that go beyond mere blood ties, she craves the humiliation and shame of their twisted games, her desire growing deeper throughout the trip. Along the way, she's forced into blowjobs in public, stealing moments away from prying eyes, confused by her brother's aggressive actions yet awakening to new sensations with each act. At the lodging, she's ordered to accept the cock of a stranger, teased repeatedly by her brother's shaft, each denial wrapping her in yet another wave of pleasure. Their bond grows ever stronger, her heart torn between dependence on her brother and the overwhelming ecstasy he controls.