Three Sisters had its premiere at 25th Busan International Film Festival in October, 2020 and was released theatrically on January 27, 2021 in South Korea.

Kotzathanasis appreciated the cinematography and in conclusion wrote, "Three Sisters communicates its messages about the consequences of trauma convincingly, while not many faults can be found neither in direction and acting, nor to the production values.

"[8] Jung Yu-jin of News 1 praising the performance said, "the three actors, Moon So-ri, Kim Seon-young, and Jang Yoon-joo, is unparalleled."

He criticized the way transition between flash back and present, he opined, "more precise directorial vision in this matter, or even a more thought-out edit [was required]."

Concluding Zaveri praised the performance of ensemble of Kim Sun-young, Moon So-ri and Jang Yoon-ju and wrote, "Outside of these small niggles, Three Sisters certainly has its merits and deserves a watch, specially to marvel at the performances from its three excellent female leads and the subtlety with which it manages to encompass complicated themes into the narrative effortlessly.