Yumi, who has been married to a man with a stepson for three months. Although her relationship with her husband is harmonious, her relationship with her stepson, Kazuki, is not going well. At her husband's suggestion, they go on a hot spring trip, which becomes the catalyst for improving their relationship. However, Kazuki, who has feelings for Yumi, cannot suppress his rising desires and attacks her while she sleeps… She screams in ecstasy multiple times under his fierce and devoted thrusts. The perfect intercourse that her husband could never provide makes her body eventually unable to resist his cock…
