Julie Yamamoto is Ben's ex-girlfriend and now friend.
Julie wears a black t-shirt mostly hidden under a pink hooded jacket and a white mini skirt. When playing tennis, she wears white wrist bands, t-shirt and her skirt. She has short black hair and sports white tennis shoes.
- Julie shares the same last name as Genryusai Shigekuni Yamamoto.
- In both timelines, traumatic events occured which lead to Ben and Julie's breakup.