"Yoridori! Ero Musume" is a manga series that blends comedy, romance, and supernatural elements. The narrative centers around a young man named Shouichi Kamogawa, who leads a relatively ordinary life until he encounters a mysterious girl named Yuri. Yuri is revealed to be a succubus, a supernatural being that sustains herself by absorbing the life energy of humans, typically through intimate interactions. However, Yuri is inexperienced and awkward in her role, often failing to seduce Shouichi effectively. Despite her initial intentions, Yuri begins to develop genuine feelings for Shouichi, complicating her mission and their relationship.

The story explores the dynamic between Shouichi and Yuri as they navigate their unusual circumstances. Shouichi, while initially wary of Yuri's intentions, gradually becomes more accepting of her presence in his life. Their interactions are marked by a mix of humor and tension, as Yuri's attempts to fulfill her succubus duties often lead to comedic misunderstandings and awkward situations. Over time, their bond deepens, and the series delves into themes of trust, affection, and the challenges of bridging the gap between the human and supernatural worlds.

Additional characters are introduced throughout the series, including other supernatural beings and humans who become entangled in Shouichi and Yuri's lives. These characters contribute to the comedic and dramatic elements of the story, often serving as foils or catalysts for the central relationship. The manga balances lighthearted moments with occasional emotional depth, as the characters confront their insecurities and desires.

The plot progresses through episodic encounters and longer arcs, with a focus on character development and the evolving relationship between Shouichi and Yuri. The series maintains a consistent tone of playful humor while occasionally addressing more serious themes, such as the nature of love and the consequences of supernatural existence. The interplay between the mundane and the fantastical is a recurring motif, as the characters navigate the challenges of their intertwined lives.