Miho, a senior office lady, couldn't help but be interested in the new Yui. One day, Yui approached Yui in a deserted office. A very obscene kiss between two women. Tongues entangled, sucking, devouring... She had no idea that doing it with another woman could feel so good. It's becoming a habit. Let's do it again, as many times as it takes. And the two of them become immersed in forbidden pleasure...