Call of the Night (Japanese: よふかしのうた, Hepburn: Yofukashi no Uta) is a Japanese manga series written and illustrated by Kotoyama [ja]. It was serialized in Shogakukan's shōnen manga magazine Weekly Shōnen Sunday from August 2019 to January 2024. In North America, the manga is licensed for English release by Viz Media. An anime television series adaptation produced by Liden Films aired from July to September 2022 on Fuji TV's Noitamina programming block. A second season aired from July to September 2025.

In 2023, the manga won the 68th Shogakukan Manga Award for the shōnen category.

Plot
Unable to sleep or find genuine satisfaction in his daily life, Ko Yamori withdraws from school and begins wandering the streets at night. During one of his nocturnal outings, he encounters Nazuna Nanakusa, a vampire who introduces him to the appeal of life after dark. Ko becomes interested in becoming a vampire himself; however, to do so, he must first fall in love with her, as required by the transformation rules.