Senpai is 18 years old. He is a senior at Dating Simulator High. Senpai is a light-skinned man with a constant blush, strawberry blonde hair, and blue eyes. He wears a partially tucked-in periwinkle blue button-up shirt, a loose pink tie, grayish-purple jeans held up by a black belt with a silver buckle, and grayish-purple shoes. He carries a brown backpack over his right shoulder. He is nice to the people he likes, or anyone in general. He is a sore loser, and gets angry easily when provoked.