My Senpai Is Annoying - S01

At a certain trading company, saleswoman Futaba Igarashi has held onto her respectable job for almost two years thanks to the guidance of her senior coworker, Harumi Takeda. But because of Igarashi's short stature, Takeda often teases her and treats her like a kid, and his antics leave her constantly annoyed. Even so, Igarashi notices how reliable Takeda is, always ready to help whenever something at their workplace goes wrong. As the two spend more time together, their relationship soon grows beyond simply being coworkers at the office.