"Jinja no Susume - Boku to Miko to Shinshoku to" centers around the life of a young man named Yuuto, who unexpectedly becomes the chief priest of a struggling Shinto shrine after the sudden passing of his grandfather. The shrine, once a vibrant community hub, has fallen into disrepair due to declining visitors and financial difficulties. Yuuto, initially reluctant and inexperienced, must navigate the challenges of revitalizing the shrine while balancing his personal life and responsibilities.

The narrative introduces Miko, a dedicated shrine maiden who has been serving at the shrine since childhood. Miko is deeply committed to preserving the shrine's traditions and plays a crucial role in guiding Yuuto as he learns the intricacies of Shinto rituals and shrine management. Her unwavering faith and practical knowledge provide a strong foundation for Yuuto's growth. Alongside Miko is Shinshoku, a seasoned priest who serves as a mentor figure, offering wisdom and support as Yuuto grapples with the complexities of his new role.

As Yuuto works to restore the shrine, the story explores themes of tradition, community, and personal growth. The shrine becomes a focal point for various characters, each with their own struggles and connections to the sacred space. Through interactions with visitors, local residents, and supernatural entities tied to the shrine, Yuuto begins to understand the deeper significance of his role and the importance of preserving cultural heritage.

The manga delves into the daily operations of the shrine, from performing rituals and festivals to addressing the practical challenges of maintenance and funding. It also highlights the spiritual aspects of Shintoism, portraying the reverence for kami (deities) and the interplay between the human and divine realms. The evolving dynamics between Yuuto, Miko, and Shinshoku form the emotional core of the story, as they work together to ensure the shrine's survival and relevance in a changing world.

"Jinja no Susume - Boku to Miko to Shinshoku to" combines slice-of-life elements with cultural and spiritual exploration, offering a nuanced portrayal of life within a Shinto shrine. The narrative balances lighthearted moments with deeper reflections on duty, faith, and the enduring value of tradition.