Haruka Komiyama is a Japanese idol, singer and model. She is a member of the Japanese girl group AKB48's Team A and was an exclusive model for the Japanese teen-magazine LOVE Berry.

High Tension is the 46th single by Japanese idol girl group AKB48. It was released on November 16, 2016 through You, Be Cool!/King Records. This is the final single appearance of Haruka Shimazaki, who left the group shortly after the release. The single's choreography is also centered by Shimazaki. The title song is used as the theme song of their drama Cabasuka Gakuen premiered on October 30, 2016 and was used for one of the team battles during Produce 48's group battle stage.