With everyone else out of the office, Yui Kawagoe and Megumi Shino are left alone. Ambitious newcomer Yui desperately wants a place on the new project, and innocently tells her senior, “I'll do anything if you let me join.” That promise ignites dominant Megumi's lust. She seals Yui's soft, full lips with a kiss that quickly turns deep and messy, and soon Yui is eagerly kissing her back. As their secret office romance heats up, a man lurks in the shadows watching them.