アルジャーノンに花束を
In 2015, Yamashita starred in two drama series. The first was the TBS spring 2015 drama, "アルジャーノンに花束を" "Algernon ni Hanataba wo (2015"), an adaptation of the Daniel Keyes novel, Flowers for Algernon., in which he played the lead character. In fall, he starred in the romance-comedy drama alongside actress Satomi Ishihara.