At a particular trading firm, the sales associate Futaba Igarashi has maintained her esteemed position for nearly two years, largely due to the mentorship of her senior colleague—Harumi Takeda. Yet because Igarashi is petite, Takeda frequently mocks her and behaves as if she were a child, which constantly irritates Igarashi with his pranks.
Nonetheless, Igarashi observes Takeda"s dependability as he is always prepared to assist whenever anything at their workplace malfunctions. As Igarashi and Takeda spend amounts of time together, their bond soon evolves beyond mere office colleagues at the firm.