Shino Sakuragi is an OL. She attends a wine party recommended by her boss, even though she isn't comfortable at such a fancy get together. There, Sakuragi meets Kazushi Oda. He is knowledgeable about wine and he doesn't show off his success as a businessman. She becomes attracted to him, but Oda gets arrested for accounting fraud later. Sakuragi is confused by the situation, but she keeps attending the wine parties and becomes hooked on wine.
Twelve year old tennis prodigy, Ryoma Echizen attends the distinguished school of Seishun Academy Middle School with his eyes set on being on the regulars team of the tennis club, which the school is famous for.
