Rika Seo  

, 妹尾 梨可

Kazemai High School has a first year student named Seo who is part of the archery club's three female members. As the most experienced member, she stands out among her peers in terms of skill. She sports a boy-cut hairstyle and her composed demeanor along with her tall stature make her quite popular among the girls. Seo enjoys spending time with Shiragiku and Hanazawa, who are also part of the club's female contingent.