Jun Yabuki (矢吹 ジュン Yabuki Jun) became the second Yellow4 (2代目イエローフォー Nidaime Iero Fo) of the Biomen. She is an Olympic archer, who after watching the Bioman in action, tries to join them but is initially refused, even though Mika Koizumi had just died. * Age: 19 years old * Weapons: Bio Arrow and Thunder Sword * Attacks Super Electron Holography * Actress: Sumiko Tanaka * Philippine-English VA: Dada Carlos