Shiratori Ryuushi, a promising artist, is ready to enroll in a vocational school as a student. As soon as he arrives at his new lodging, Narutakisou, he becomes aware of the peculiar tenants who are fascinated by him. Consequently, he encounters Aoba Kozue, his landlady, and becomes enthralled by her elegance and charm. However, he remains unaware of Kozue's hidden depths and her true nature.