"Magic User's Club" is a six-episode OVA series that blends elements of comedy, romance, and supernatural action. The story is set in a world where a mysterious alien tower suddenly appears in Tokyo, disrupting daily life with its strange, otherworldly influence. In response, a group of high school students forms the Magic User's Club, a secret organization dedicated to using magic to combat the tower's effects and protect the city.

The protagonist, Sae Sawanoguchi, is a shy and reserved girl who secretly harbors feelings for her classmate, Takeo Takakura, the club's president. Takeo is a confident and somewhat eccentric leader, passionate about magic and determined to prove its effectiveness against the alien threat. The club also includes Nanaka Nakatomi, a cheerful and energetic member with a crush on Takeo; Akane Aikawa, a calm and intelligent girl who often serves as the voice of reason; and Aburatsubo, a mysterious and aloof upperclassman with a deep knowledge of magic.

As the series progresses, the Magic User's Club faces various challenges, both magical and personal. They must learn to work together, hone their magical abilities, and confront the alien tower's growing influence. The narrative balances lighthearted moments of comedy and romance with more serious themes of teamwork, self-discovery, and the consequences of wielding power. The characters' relationships evolve throughout the series, particularly the dynamic between Sae and Takeo, as they navigate their feelings and responsibilities.

The climax of the series involves a direct confrontation with the alien tower, testing the club's unity and resolve. The resolution ties together the personal and magical struggles of the characters, offering a satisfying conclusion to their journey. "Magic User's Club" is a compact and engaging series that combines supernatural elements with relatable character dynamics, making it an appealing entry in the magical girl and school club genres.