February 25, 2013: Ladies' Code begins teasing their debut with member videos and teasers

March 7, 2013: Ladies' Code debuts with their mini album "Code#01" and title track "Bad Girl" with MV

July 2013: Ladies' Code has their own reality show The Reality of Ladies' Code

August 6, 2013: Digital single "Hate You" is released

September 5, 2013: Mini album "Code#02 Pretty Pretty" released with title track MV

2014: Ladies' Code appears in Idol School

February 13, 2014: Digital single "So Wonderful" is released with MV

August 7, 2014: Single "Kiss Kiss" and MV is released

September 3, 2014: Ladies' Code is involved in a serious car accident while returning to their dorm. EunB is declared dead on arrival. The remaining members and occupants in the vehicle are taken to hospitals. Sojung and Rise are listed as in critical condition.

September 5, 2014: Services are held for EunB, and Ashley and Zuny are well enough to attend.

September 7, 2014: Rise dies from her injuries sustained in the car accident, having never regained consciousness. 

September 9, 2014: Services are held for Rise. Ashley, Zuny, and Sojung are able to attend.

October 29, 2014: Ashley and Zuny are released from the hospital, and Sojung is transferred to a hospital near her home.

November 12, 2014: The remaining members return to their dorm while Sojung continues outpatient treatment for her injuries.
On this same day, their manager, Mr. Park, was arrested for causing the fatal accident due to speeding in unsafe conditions.

January 15, 2015: The manager of Ladies' Code is sentenced to 1 year and 2 months in jail for causing the fatal accident.

March 25, 2015: The manager of Ladies' Code files an appeal to reduce his sentence.

April 8, 2015: Mr. Park reaches a settlement with the families of Rise and EunB.

April 15, 2015: Mr. Park's appeal is successful. He serves a suspended sentence for two years, has 160 hours of community service, and 40 hours of driving classes.

April 26, 2015: The remaining members start to resume their practice schedule while still receiving counseling and treatment for their injuries.

August 22, 2015: Polaris Entertainment hosts a concert in Tokyo in honor of Rise's dream to perform in her home country. The concert was titled "I'm Fine, Thank You: Rise & Memorial Concert" and featured many artists. The remaining members perform "I'll Smile Even If It Hurts" for the first time.

September 3, 2015: The remaining members, along with other Polaris artists, release a new cover of "I'm Fine, Thank You" in memory of EunB and Rise, with the proceeds going to charity.

September 7, 2015: On the first anniversary of Rise's death, Ladies' Code officially releases the single "I'll Smile Even If It Hurts".

January 23, 2016: The remaining members confirm they will be continuing in the industry as a trio.

February 24, 2016: The first mini album as a trio, "Myst3ry" is released with title track "Galaxy" and MV. Their style is changed from their former releases and activities.

March 30, 2016: A remix version of "Myst3ry" is released, titled "Myst3re:". It features remixes of all tracks.

October 13, 2016: Ladies' Code has another comeback with mini album "Strang3r" and title track "The Rain" with MV