Call of the Night is a stylish supernatural romance manga set in the quiet and mysterious atmosphere of the city at night, following Kou Yamori, a restless teenager who abandons his ordinary daily life and begins wandering through sleepless streets in search of freedom, excitement, and meaning, only to encounter Nazuna, a carefree vampire whose unusual lifestyle pulls him deeper into the hidden world of the night where loneliness, desire, and emotional connection blur together, as their relationship gradually evolves through late-night conversations, supernatural encounters, and introspective moments that explore the emotional emptiness and beauty hidden within isolation and youth, in what is widely known as Call of the Night manga, よふかしのうた (Yofukashi no Uta), Kou Yamori story, vampire night saga, supernatural romance series, and atmospheric coming-of-age narrative blending romance, comedy, and psychological undertones into a visually unique and emotionally immersive experience designed to captivate fans of modern supernatural storytelling.