辞令で東京本社の広報部に移動になった由寿（鞘師里保）。東京の街並みと本社の佇まいにビビりつつ、広報部で教育係の緑川逸美（明日海りお）と先輩の飯野朝子（生駒里奈）と初対面。キラキラしている二人の先輩と地味な自分との差に愕然とするも、“東京OLに擬態しろ”という岡林（滝沢カレン）の助言を得て、まずは形から入ることにした由寿。吾輩（橋本さとし）に見守られながら、広報ガールとしての1歩を踏み出していく由寿だったが…。
Yuju (Riho Sayashi) has been transferred to the public relations department at the Tokyo headquarters due to his appointment. She is intimidated by the cityscape of Tokyo and the appearance of the company's headquarters, and meets for the first time with Itsumi Midorikawa (Rio Asumi), who is in charge of education at the public relations department, and Asako Iino (Rina Ikoma), her senior. She is taken aback by the difference between her two sparkling seniors and her plain-looking self, but after receiving the advice of Okabayashi (Karen Takizawa), who tells her to imitate herself as a Tokyo office lady, she decides to start with the shape. Longevity. While being watched over by his girlfriend's senior (Satoshi Hashimoto), Yuju takes the first step as her public relations girl, but...
