Futaba Igarashi has successfully maintained her esteemed position at a trading company for almost two years, all thanks to the invaluable guidance of her experienced coworker Harumi Takeda. However, Igarashi's petite stature seems to amuse Takeda, who often treats her like a child, leaving Igarashi feeling irked. Regardless, Igarashi recognizes Takeda's dependability and willingness to assist whenever a problem arises in the workplace. As they spend more time working together, their professional relationship evolves into something more than just coworkers.