Also known as: 後輩ちゃん(がんばれ同期ちゃん)
Yomu (Sgt Epper) and Ganbare Douki-Chan character. An Office Lady, rival and the kouhai of Douki-chan who usually tries to get the attention of Douki-kun, which includes suddenly appearing in encounters between both, interrupting Douki-chan's opportunities to gain intimacy with him, always trying to seduce and keep the same away from other girls. Many men are attracted to her.