Tên tiếng Nhật: よふかしのうた, llamada de la noche, Call of the Night - il richiamo della notte, Yofukashi no Uta, El Canto de la Noche, Song of the Night Walkers, Night Owl Song, Call of the Night, Call of the night, 夜曲, Песнь ночных сов, 徹夜之歌 Season 2, Пісня нічних сов, 徹夜之歌, Поклик ночі
Ko and Nazuna's budding relationship is put to the test when they cross paths with a vampire hunter.
