Renai Gimmick - Katabutsu OL to Rental Kareshi no Koi Jijou

Ranko, who has a serious personality, supports Minato, the ace of the sales department. In order to change her blunt attitude, she decides to use a "rental boyfriend" who is a professional conversationalist. However, the person who shows up at the rendezvous is a Minato's look-alike...?