Yui Sato (Mari Matsui) visits a conference hall to receive earrings she dropped from Kyoichi Amagi (Mokomichi Hayami). Then Yui meets Dr. K. Aida (Yuta Hiraoka) in the elevator. A successful doctor with a 100% success rate in surgery. Also in the same time, Nobel Prize-winning researcher, Sae Mishima (Michiko Tanaka) appeared, and Yui was overwhelmed by their ultra-high specs. To those two, Amagi introduced Yui as "My lover." However, Sae declares that "Kyoichi is mine" without waiting for Yui's denial!After that, Yui, who was surrounded by these three people and had to have a meal with them, witnessed the close relationship between Sae and Amagi. On the other hand, Yui gradually becomes close to Aida, who share something in common as “dog lovers”.