Azumi, a married woman, becomes flustered under Yukiko's gaze but is forced into embarrassing poses, experiencing shameful pleasure. Yukiko uses oil not intended for massage to touch her, soaking Azumi's panties until they are see-through at the crotch, causing her to react sensitively and seek more on her own. Day by day, the pleasure between the two women escalates until they climax to the point of fainting.
