Futaba, Rio

Seiyuu / Dub

Schadt, Shandra· Japanese

Tanezaki, Atsumi· Japanese

Billy, Marion· French

Yokobori, Jenny· English

Summary

Rio Futaba is a central figure in the Seishun Buta Yarou wa Bunny Girl Senpai no Yume wo Minai series, portrayed as a sixteen- to seventeen-year-old female student at Minegahara High School. Born on October 23, she stands 5'1" tall and is a second-year member of the Science Club, where she serves as the sole participant. During their first year of high school, she shared a classroom with Sakuta and Yuuma, an experience that laid the groundwork for their relationships. Characterized by her stoic demeanor and blunt speech, Rio possesses extensive expertise in scientific fields, particularly chemistry and quantum physics. Her sense of humor is sharp, often making her more sarcastic and direct than Sakuta himself. Beneath her reserved exterior, she experiences a range of emotions, including affection for Yuuma and moments of anxiety. Despite her isolationist tendencies, she is genuinely kind and deeply cares for her friends. Rio’s personality is shaped by a lonely childhood marked by neglect and a lack of siblings, leading her to view solitude as a necessary comfort zone. However, this shared sense of being an outcast gave her the courage to initiate contact with Sakuta when they were classmates. Initially skeptical of Adolescence Syndrome, she eventually accepted its reality, analyzing the phenomena through scientific theories and principles rather than dismissing them outright. Her time at school was also marked by personal insecurity regarding her physical development, which occurred earlier than that of her peers. This led to feelings of self-loathing and discomfort when she realized she was being objectified by boys. Additionally, she has gained a reputation within the Science Club for conducting experiments that frequently result in power outages and minor fires.