La historia comienza con Naruto Uzumaki-Namikaze, un estudiante de secundaria bastante popular entre la multitud femenina. Empujado por sus compañeros, Naruto le confiesa su amor a su compañera de clase, Yukana Yame. La confesión es aceptada y la pareja comienza a salir.
High school boy Junichi Hashiba laments not having a girlfriend as his classmates have seemed to be pairing up everywhere. His single unattached friends force him into boldly confessing his love to Yukana Yame, a beautiful "gal" at the school. Although Yukana easily determines that Junichi really just wants to lose his virginity, she agrees to be his girlfriend.
Triple Crossover: Needless, HOTD, My First Girlfriend is a Gal. Cruz Schild was enjoying a peaceful day in high school with his girlfriend, Nene Fujinoki until that day became the worst when zombies started appearing and causing chaos in the world. Now it's up to Cruz and his surviving group to get through the undead and find a way to save the world. Cruz X Harem. Lemon. Blood.