"Oppai Heart: Kanojo wa Kedamono Hatsujouki Episode 1" introduces viewers to a provocative narrative centered around a young man who becomes entangled with a woman experiencing an intense period of heightened desire. The episode delves into their evolving relationship, marked by passionate encounters and the exploration of their deepest urges. The animation is notable for its detailed character designs and expressive scenes, capturing the fervent emotions and physicality of their interactions. Themes of lust, intimacy, and the complexities of human desire are intricately woven into the storyline, providing a captivating viewing experience. "Oppai Heart: Kanojo wa Kedamono Hatsujouki Episode 1" sets the stage for a series that boldly examines the boundaries of passion and the primal aspects of attraction.