Summary from TBS:
"On Christmas Eve, Kosuke Yamada (Taiga), a 22-year-old university student who's never had a girlfriend, is somehow guided by a suspicious middle-aged man - Kenbutsu Takami (Yoichi Nukumizu), and rents Remi Takasugi (Ayame Goriki) at a rental girlfriend agency - "Rental Lovers". Remi, the most popular rental girlfriend of the agency, has well researched Kosuke's taste and even wears a costume of an anime character that he likes on the date. Kosuke instantly falls for Remi, however, he soon finds out that Remi is a mysterious girl who wears a bandage on her neck and never smiles while off-duty. Then the story of Kosuke, Remi, a Kosuke's childhood friend - Sumire (Yukino Kishii), and his best friend - Hayato (Kentaro) goes to an unexpected direction."The full coordinate can be seen starting at 2:59.
She's wearing Baby's Le Petit Chat Noir OP, Rose Headdress, Victoir Shoes, and the Alice and the Pirates Mini Trunk Bag. The socks are most likely BtSSB Small Lace OTKs.
Additionally, there appears to be a pastel sweet lolita at 2:56 as well, but you only see the back of her head.
Sources: Rental Lover Official OHP | Baby, the Stars Shine Bright