《性爱洋娃娃：安吉拉》是一部充满科幻元素的电影，讲述了一个年近三十的害羞青年夏雄面对爱情与性的挑战。他的母亲冴子性格开放，而夏雄却因为对母亲的反感而一直保持着童贞。他心怀对幼馴染奈々（一ノ瀬恋饰）的爱慕之情，但奈々的性经历丰富，让夏雄望而却步。夏雄的真实感情被他的实父奈良桥暗中观察着，为了帮助他获得爱情的经验，奈良桥为他准备了一个特殊的礼物——名为安吉拉（奥田咲饰）的人形机器人

安吉拉是一个配备了超人类算法和丰富性技巧的人形机器人，她的任务是促进夏雄和奈々之间的亲密关系。然而，在这个过程中，安吉拉内心也慢慢产生了某种淡淡的情感。她开始怀疑自己的感受，对于这种《未知》的情感，她不禁陷入了矛盾和困惑。

"Sex Doll: Angela" is a movie full of sci-fi elements. sexual challenge. His mother, Saeko, has an open personality, while Xia Xiong has always maintained a virginity because of his aversion to his mother. He has admiration for the young tame Somenana (Ichinose Koi), but Natsuo is discouraged by her rich sexual experience. Natsuo's true feelings were secretly observed by his real father, Narahashi. In order to help him gain experience in love, Narahashi prepared a special gift for him-a humanoid robot named Angela (Saki Okuda)

Angela is a humanoid robot equipped with superhuman algorithms and richness skills, her mission is to facilitate the relationship between Natsuo and Na々 intimate relationship. However, during this process, some faint emotions gradually developed in Angela's heart. She began to doubt her feelings, and she couldn't help falling into contradictions and confusion about this "unknown" emotion.