"Miko Doki!" is a manga series that centers around the life of a young girl named Miko, who discovers she has the ability to see and communicate with spirits. This newfound ability thrusts her into a world where the supernatural intersects with the mundane, as she becomes entangled in the affairs of both the living and the dead. The story begins with Miko moving to a new town, where she encounters a variety of spirits, each with their own unresolved issues and desires. These spirits often seek her help to fulfill their last wishes or to find closure before moving on to the afterlife.

As Miko navigates her dual existence, she forms a close bond with a spirit named Doki, who becomes her constant companion and guide. Doki, a mischievous yet kind-hearted spirit, assists Miko in understanding her abilities and in dealing with the challenges that arise from her interactions with the spirit world. Together, they embark on various adventures, helping spirits while also uncovering the mysteries surrounding Miko's own past and the origins of her powers.

The narrative explores themes of friendship, loss, and the importance of closure, as Miko and Doki work together to resolve the lingering issues of the spirits they encounter. The series balances moments of lighthearted humor with poignant, emotional scenes, creating a dynamic and engaging storyline. Key characters include Miko's classmates and family members, who provide additional layers to the story as they become aware of her abilities and the impact they have on her life.

Throughout the series, Miko's growth is evident as she learns to navigate the complexities of her dual existence, gaining confidence in her abilities and forming meaningful connections with both the living and the dead. The interplay between the human and spirit worlds is a central element of the story, with each arc focusing on different spirits and their unique stories, while also advancing the overarching plot. The series maintains a steady pace, blending episodic adventures with a continuous narrative thread that keeps readers engaged from start to finish.