"Jitsu Wa Watashi Wa" is a Japanese manga series written and illustrated by Eiji Masuda. It follows the story of Asahi Kuromine, a high school student who discovers that his classmate, Yoko Shiragami, is a vampire. The series combines elements of comedy, romance, and supernatural themes, exploring the challenges of keeping Yoko's secret while navigating teenage life. The manga was serialized in Shueisha's "Weekly Shōnen Jump" from 2013 to 2016. It has been well-received for its humorous take on the vampire genre and has been adapted into an anime television series, further expanding its popularity among fans of shōnen manga.