Kana, who is usually easy to convince and swayed by others' words, was almost scammed one day but happened to be rescued by her brother-in-law, Taiichi. As a deep-sea fisherman, he had been starved of women for a long time and saw through her hidden desires, skillfully persuading her. Overwhelmed, Kana gave in with 'Just this once...'. Unable to resist, she was repeatedly violated, her body becoming more sensitive each time. Before she knew it, she experienced an illicit pleasure that her indifferent husband could never provide.
