Yasui Tsukasa, the young CEO of an IT venture company, is one of seven men and women (Onishi Ayaka, Kuroba Mario, Kakei Miwako, Wada Masato, Mashima Hidekazu, Sakai Maki) who meet at a one-day cooking class at the restaurant Grand Rossa in Ebisu, Tokyo. Rumours have spread that the owner-chef Iwasa Akira of Grand Rossa can solve anything when consulted on romance. Night after night, troubled people come to this restaurant.