女の新たな性感帯【スペンス乳腺】を開発する人気シリーズに専属女優・桃園怜奈が登場！スペンス乳腺とは乳房のGスポット！スペンス乳腺研究のスペシャリストに開発されて、類まれな柔らかさと形のエロさを両立したIカップ震わせる怒涛の胸イキ！スペンス乳線の快感を疑っていたのに想像以上の適正あり！絶叫弓なりアクメ連発！あまりの刺激に潮吹きまくって痙攣イキ！仕上げの玩具でスペンス開発されてパイズリ中にイクほど敏感に！胸イキで失神寸前まで追い込みまくる3本番！

The popular series developing a new erogenous zone for women, the "Spence Gland," now features exclusive actress Reina Momozono! The Spence Gland is the G-spot of the breast! Developed by a specialist in Spence Gland research, her I-cup breasts, which combine unparalleled softness and erotic shape, will make you tremble with intense breast orgasms! She doubted the pleasure of the Spence Gland, but it exceeded her expectations! She screams and arches her back in ecstasy repeatedly! The stimulation is so intense that she squirts and convulses in orgasm! With the final toy, her Spence Gland is further developed, making her so sensitive that she orgasms during titjob! Three intense scenes where she is pushed to the brink of fainting from breast orgasms!