Yume dreams of becoming a licensed esthetician internationally and deeply admires her senior, Mika, who already works at a top-tier salon in the city and serves as Yume's role model. The two find themselves alone together in a remote location for intensive training. On a rainy night, in their private space, their emotional bond grows stronger. Eventually, their relationship evolves into one with no turning back. This the most intense episode in the series, featuring beautiful girls drenched in massive facials, delivering an entirely new sensation.