In this delightful romantic comedy based on Hiromitsu Takeda's manga, we follow Takeru Ohyama, a typical teenage boy with a penchant for mischief. Transferring to a new school that surprisingly doesn't require entrance exams and has just become co-ed, Takeru envisions a carefree high school life. However, his hopes are quickly shattered as he discovers the school's hidden secret. Each student possesses a unique weapon known as a Maken, which they use to unleash their magical prowess in intense duels. Amidst the chaos of school life, can Takeru uncover a Maken that suits him while navigating the challenges of making friends and handling various romantic entanglements?