The story of the Sasakura Ryu and Eden Hall, a small cocktail bar in the Chiba area of Tokyo, where troubled customers come for the "glass of the gods," which with Ryu's assistance helps them to resolve their often highly emotional problems.
Shunsuke Sakaki is a part-time university lecturer on Western European history. Ema Sakiyama, his student and Roppongi’s top hostess, asks for his help in settling a dispute with a customer who sent back a glass of champagne. With help from Rin, Ema’s friend who is oddly knowledgeable about champagne, it looks like Sakaki is gradually coming to understand the profound world of champagne, but…?

