Box office
The film premiered in South Korean cinemas on August 22, 2018. It attracted 99,318 moviegoers on its opening day and finished first place with US$794,127 gross, slightly higher than The Witness which finished in second place. It topped the box office during its first weekend with 30% revenue share, by attracting 694,237 moviegoers and grossing US$5.5 million. After topping the box office for six consecutive days, the film reached 1 million admissions on August 27, 2018. On August 31, it reached its break-even point with 1.5 million of admissions, as result of a strong ten days box office performance.
During its second weekend, it remained on the top of the box office by having 568,267 attendance with US$4.5 million gross, 18.6% lower gross compared to its debut weekend. On September 3, 2018, it surpassed 2 million cumulative admissions. After a two weeks strong performance, the film fell to second place during its third weekend with US$2.4 million gross from 321,342 attendance, tailing Searching. On September 12, 2018, the film reached 2.6 million views and became the most watched romance film in South Korea in 2018, surpassing Be with You.
As of September 24, 2018, the film attracted 2,812,135 total admission with US$21.1 million gross.