Yui Hatano was a devil because she had big tits even though she was a partner who should never touch her

Yui Hatano is a beautiful and alluring partner with big tits, who finds herself in a situation where she is desired by another man. This man, her lover, is drawn to her and wants to fuck her, despite being aware that she is in a relationship with her husband. As the story unfolds, it becomes clear that Yui's lover is determined to have her, and he takes advantage of an opportunity to be intimate with her while her husband is asleep. The central kink of this movie appears to be the titjob, as Yui's lover is particularly drawn to her breasts and enjoys sucking and touching them.