Taiyo to Umi no Kyoshitsu (2008)

Description:

A private high school by the sea... All of the senior students devote themselves only to their studies for college entrance exams from the end of the summer. One day, an unconventional teacher gets posted at this high academia-oriented school. His name is Sakurai Sakutaro. His background is a mystery. Nobody gets what he's talking about. He's pushy and bold. The students are reluctant to open up to him who sticks his nose into their private affairs. But Sakutaro keep trying to help them overcome their problems He also encourages and guides them, and they eventually develop a bond of trust. "Live in the moment which exists only now"... His message gradually gets through to his students.