Notable film and television projects that Karata has starred in include Lock-On Love, Asako I & II, and Arthdal Chronicles.

When Karata was in her second year of high school, she was scouted by an agency official at her workplace, where she had been a part-time employee at a farm theme park.

[3] Afterwards, she made minor appearances in the television dramas Koi Naka and Cho Gentei Noryoku and became the image model for the Sony Financial Holdings commercials.

On January 23, 2020, Shūkan Bunshun revealed that Karata had been in an extramarital affair with actor Masahiro Higashide, her co-star on Asako I & II, since 2017, continuing through his wife's pregnancy with their third child.

The episodes had been about a newcomer actress being involved in an extramarital affair and had included the name Higashide for Karata's character's friend.