In a forbidden yet sweet high school romantic comedy that resonates with Otaku culture, a high school student named Takuya Kirishima, an avid Otaku, finds himself longing for a cute and kind-hearted Otaku girlfriend. His wish comes true during spring break when he meets the beautiful Otaku girl Mashiro Hikawa, with whom he shares similar hobbies and a deep connection. They enjoy Otaku activities together, savor Hikawa's delicious homemade meals, and their friendship blossoms into a romantic relationship under the sunny skies. However, their idyllic romance takes a surprising turn when the new semester begins, revealing that Hikawa is not just a student but also their new homeroom teacher, known as the strict and intimidating 'Ice Princess' of the school. Amidst the uproar caused by their forbidden relationship, a secret love story unfolds between Takuya and Hikawa, navigating the challenges of their double roles as student and teacher.