Hiramaki Jin is a Japanese actor, singer, and model who was last affiliated with Oscar Promotion. In 2007, with Hidemasa Shiozawa and Koki Kato, he joined the vocal unit Sprout. He was in charge of the keyboard vocal in the group. In August of the same year, the group disbanded. At the age of three, Hiramaki started learning the electric organ. From 2010-2012, Hiramaki appeared as 'Shuichiro Oishi' in the musical "Prince of Tennis Second Season," until he graduated along with 6th generation Seigaku cast at "Seigaku Farewell Party" in 2012. (Source: Wikipedia) Watch drama online for free.