The Rising Sun (2014)

It is about a Thai lady name Preawdao/Seiko who just got a scholarship from Japan for her Master's degree in Economics. Preawdao's beauty impressed Takeshi, the second son of a very powerful family, Onizuka. He keeps following her from a distance but never approaches her. Finally, Ryu, Takeshi's cousin, helps him talk to her, and their relationship begins.