Senpai ga Uzai Kouhai no Hanashi (Dub)

At a certain trading company, saleswoman Futaba Igarashi has managed to hold her respectable job for almost two years thanks to the guidance of her senior coworker—Harumi Takeda. However, due to Igarashis short stature, Takeda often teases her and treats her like a kid, leaving Igarashi constantly annoyed by his antics.