Rei Onodera
Rei Onodera is a supporting character in Kaguya-sama: Love Is War. She is a student at Shuchiin Academy High School and a member of the lacrosse club. The daughter of a president of a famous jewelry brand, she presents herself with a trendy, outgoing style and uses modern youth slang. Despite her energetic demeanor, she performs well academically and actively participates in school affairs, eventually becoming a close friend and reliable support figure to both Yu Ishigami and Miko Iino.
Overview
Rei Onodera is a supporting character in Kaguya-sama: Love Is War. She is a student at Shuchiin Academy High School and a member of the lacrosse club. The daughter of a president of a famous jewelry brand, she presents herself with a trendy, outgoing style and uses modern youth slang. Despite her energetic demeanor, she performs well academically and actively participates in school affairs, eventually becoming a close friend and reliable support figure to both Yu Ishigami and Miko Iino.
Appearance
She is a high school girl with a gyaru-like visual style and appearance, wearing the standard Shuchiin Academy High School uniform.
Personality
Rei has a blunt, straightforward personality and a lively demeanor, fitting right in with outgoing crowds. Despite her trendy exterior, she is a deeply sensible and responsible person who exhibits strong leadership during group tasks. While initially prone to accepting school gossip at face value, she possesses the honesty and humility to admit her mistakes once she observes the truth herself. After opening up to others, she acts as a grounding voice of reason and a dependable supporter.
Abilities
Rei plays lacrosse as part of her school club activities. She is academically capable, consistently securing solid rankings in term exams, such as 37th in the first term, 48th in the second, and 38th in the third. Furthermore, she demonstrates strong practical and organizational skills when coordinating school events, including handling outreach and negotiations with local residents.
Background
Rei grew up in a family consisting of her parents, a younger brother, and a younger sister. She advanced from class 1-B to 2-A during her time at Shuchiin Academy. Having initially held prejudice toward Yu Ishigami due to persistent rumors, she changed her perspective after witnessing his dedication during the sports festival cheer squad. Later, while serving on the culture festival committee, she worked closely with Miko Iino to secure permission for a bonfire, forming a lasting friendship with both classmates.
Relationships
She is classmates and close friends with Yu Ishigami and Miko Iino. After overcoming her initial misgivings, she became a reliable confidante who offers grounded advice and sharp commentary on their antics. Upon recognizing Miko Iino's feelings for Yu Ishigami, she teamed up with Chika Fujiwara to support her romantic pursuits. Alongside Kobachi Osaragi, she frequently acts as a watchful guardian for the pair.
Trivia
She was born on May 17 and has type O blood. Within a story populated by highly eccentric personalities, she stands out as one of the most level-headed and grounded characters.