Tetsuro Kurumizawa

Tetsuro Kurumizawa is the protagonist of the anime and manga series How Heavy Are the Dumbbells You Lift?. He is a high school student who starts working out at the gym to improve his body after a humiliating incident. Tetsuro is known for his strong perseverance and dedication to becoming stronger. He has a bit of a sassy personality and often clashes with others, but he is also kind and friendly. Tetsuro is determined to beat his rival, a character known for being strong and stoic, in a bodybuilding competition. He maintains a friendly rivalry with Ryo, a soft-spoken and muscular character who serves as a mentor to him. Tetsuro often deals with the pressures of balancing his schoolwork, part-time job, and training.