After unexpectedly becoming the guardian of his younger siblings following their father's passing, Ichirou Kuga juggles renting out rooms in his inherited apartment complex with a demanding job as a struggling shoujo manga artist. As pressures mount with dwindling manga sales and vanishing assistants, a ray of hope emerges in the form of the talented novice artist, Shiori Goshiki, who joins as his assistant. Together, they navigate through the challenges, bringing a glimmer of hope. However, a peculiar turn of events occurs when a supernatural incident leads Shiori to proclaim them engaged, catapulting Ichirou into a world of newfound responsibilities and mysteries. Balancing his artistic dreams, familial duties, and an unexpected engagement, Ichirou embarks on a journey filled with uncertainties and unexpected connections.