In 2010, Kasumi Arimura played the role of a former student of Teacher Fanghe in the TV drama "Steel Girl" broadcasted on Asahi Television.

On January 26, 2011, her debut film "BASARA: No Service Zone in the Warring States Period" was released, marking the official start of her film career.

In 2013, she starred in the family comedy "Sea Girl" broadcasted by the Japan Broadcasting Corporation (NHK), playing the teenage years of Akira Amano's mother, Haruko Amano. This role gained her widespread attention.

In 2015, the campus romance film "Sparkling Love," co starring Jun Arimura and Osamu Fukushi, was released on March 14th; On October 10th of the same year, the adaptation of the novel "Diving into the Sea" by Kikuko Juno, in which she starred, was broadcasted. This was the first time that Haruhiko Arimura starred in a TV drama, and the filming of the film also received full assistance from JAMSTEC (Japan Marine Research Organization).

During the period of 2016-2020, she starred in multiple film and television works such as "Which", "Off screen Voice", "Middle School Saint Diary", and "Fortuna's Eye".

On January 8, 2023, the Japanese drama "What to Do with Family Health" in which she starred was broadcasted in Japan. On June 14th of the following year, the movie "Dear Family" in which she starred was released.

On January 18, 2016, Kasumi Arimura won the Outstanding Actress Award and Newcomer Actor Award at the 39th Japan Academy Film Awards for her performance in the movie "The Last Hot Girl"; On February 9th, Kasumi Arimura won the Best Actress award at the 58th Japan Film Blue Ribbon Awards; In the same year, he won the Best Newcomer Award at the 29th Nikkan Sports Film Awards.

In 2022, Kasumi Arimura won the Best Actress award at the 45th Japan Academy Film Awards and the Best Actress award at the TAMA Film Awards for her role in "Love Like a Bouquet". In the later stage, she also worked as a director, writer, and other professionals.