Takuya Terahara competes as a sumo wrestler for Shibakiyama Stable. He displays a heavy physique, standing 185 cm tall and weighing 135 kg, with thin eyebrows, pronounced wrinkles beneath his eyes, and a signature kind smile.

Within Shibakiyama Stable, Terahara trains and performs alongside stablemates including Hinomaru Ushio and Norihiro Saenoyama. He actively engages in sparring sessions, notably participating in a training match against Hinomaru Ushio.

Terahara contributes to the stable’s daily operations through chores and providing training progress updates. He attends events like the Inter High Tournament as a spectator with fellow stable members.