三井　拓美

Mitsui Takumi (affectionally called "Taku-chan" by Yuuki) is in the advanced science and mathematics division at Souryou, and he lives on campus in the dorms. His grandfather, father, and older brother are all doctors, so he studies to become a doctor as well. He is very tech-savvy and enjoys online gaming and fancy cell phones. He also enjoys playing tennis, listening to classical music, and has a great appreciation for coffee.

Voiced by Suzuki Chihiro.