TWICE ( Korean : 트와이스,, Japanese : トゥイスWA ) is JYP Entertainment is a group of nine artificial place of their Republic of Korea. Nine finalists were selected on 7 July 2015 through SIXTEEN . And the name of fandom is once.

TWICE at the KBO Golden Glove Awards December 8, 2015 On October 19, 2015, they released their midnight sound source and music video simultaneously, and on the 20th, their debut showcase stage was held at AX KOREA with the release of their first EP album `` THE STORY BEGINS ''. The title song is " OOH-AHH ". All men have one week debut 27 days more shows were ranked second up in the first place candidate, 29 M Countdown up to the No. 1 candidate was in second place. Until February 2016, it showed the strength to maintain the top of the music chart. Three months after the end of the activity, she became the top candidate in popular songs and took second place. As of November 2016, the company recorded sales of approximately 90,000 albums, and in 2016, it recorded No. 1 in sales of new idol debut records. " OOH-AHH Make (Elegantly)" is one of the most idol debut songs of 2015.

On November 2, 2017, the YouTube music video of "OOH-AHH Make (Elegantly)" surpassed 200 million views, setting the record for the first Korean singer's debut song to exceed 200 million views. "OOH-AHH (elegantly)" was ranked 9th in the 2016 Melon annual chart , the most popular music source site in Korea .

TWICE performing at Seoul National University of Arts and Sciences on February 27, 2016 On April 25, 2016, he released his second EP album, PAGE TWO , and his title song was CHEER UP . At midnight a YouTube music video was released. It broke through 30,000 views in 1 minute, 450,000 views in 30 minutes, and 2.25 million views on the first day.

On October 24, he released his third EP album, TWICEcoaster: LANE 1 , with the title song 'TT'. The showcase was held on the day of the launch and the first comeback stage was held through Mnet ' M Countdown' on the 27th . YouTube music video views of the title song "TT" recorded more than 5 million views in the first day of public release, and recorded 10 million views in 40 hours of public release, exceeding 10 million views in the shortest period of K-Pop artist history. It also set the record as a K-Pop artist who recorded 20 million views in 114 hours and recorded 20 million views in the shortest period.  that, he set a record for the shortest period from 30 million to 70 million views.

TWICEcoaster: LANE 1 surpassed 94,000 first albums as of October 30th, beating No. 67,100 records recorded by The Boys of The Girls ' Girls' Generation , which was the first record . Recorded. The company recorded about 165,000 record sales in one week, and recorded the highest number of record sales for the girl group.  November, the company recorded sales of more than 200,000 copies, and recorded the highest sales volume of female idols since 2010. Ranked No. 1 on the Gaon Chart for four consecutive weeks.

On November 14, "TT" 's YouTube music video views exceeded 50 million views in 22 days of public release, setting the record for the shortest period of K-Pop idol history. At 17:40 on the 17th, the number of YouTube music video views of "CHEER UP" exceeded 100 million views, which exceeded 100 million views in 207 days, the shortest of K-pop idols. In addition, "OOH-AHH (elegantly)" followed by YouTube music video of "CHEER UP" exceeded 100 million views, setting the record for two consecutive 100 million views. November 26 MBC << Show! In the center of music, he finished all the music broadcasting activities of "TT", and on November 27, SBS's "Inkiyo" held a special stage of the album "JELLY JELLY".

At the end of 2016, the song was swept away from the main prize as well as the grand prize. She won one of three grand prizes of this year's song and main awards at the 2016 Melon Music Awards , followed by one of three grand prizes at the 2016 Mnet Asian Music Awards with "CHEER UP." Winner of the Year Song and Best Female Group Award. "CHEER UP" has ranked No. 1 in the annual charts in 5 years since girl group , Melon , Korea's most popular music site in 2016, since Tiara's Roly-Poly in 2011.

On January 3, 2017, "TT" 's YouTube music video surpassed 100 million views in just 72 days. The record broke 100 million views of "CHEER UP" M / V, which was the first place, and exceeded 100 million views of YouTube in the shortest period of K-Pop idol. Also, on May 26, "TT" 's YouTube music video broke 200 million views in 215 days of public release, setting the record of 200 million views for the first time among Korean female singers. "CHEER UP" and "TT" won the 37th Golden Disk Digital Sound Recording Grand Prize.  TWICE is still popular.

TWICE at the 2017 Golden Disc Red Carpet On February 17-19, 2017, the first solo concert and tour "TWICE LAND -The Opening-" was held at SK Olympic Handball Stadium, Olympic Park , Korea .

On February 20, 2017, a special album `` TWICEcoaster: LANE 2 '' was released and the title song was " Knock Knock ". On the 21st, YouTube music video views of " KNOCK KNOCK " exceeded 10 million views in the first day of public release, updating 26 hours 38 minutes 10 million views of "TT" which was the first place.  On March 17, he won the Singer Award at the 29th Korea PD Awards.

On February 24, he released a compilation album `` WHAT'S TWICE? '' For the promotion before his official Japanese debut as a digital source only.

At 6 o'clock on May 15th, he released his fourth EP album `` SIGNAL ''. On the 20th, YouTube music video views of " KNOCK KNOCK " exceeded 100 million views.

On the 26th, "TT" 's YouTube music video views exceeded 200 million views in about six months of public release, the first record of a Korean female singer.

June 17 to 18, Republic of Korea , Seoul Jamsil Stadium in Jamsil Gymnasium in held a second concert "TWICE LAND -The Opening-Encore" .

On August 9, YouTube music video views of "CHEER UP" exceeded 200 million views. October 30, 2017 LIKEY Showcase On October 18, Japan released their first single, One More Time .

On October 30, the first regular album `` Twicetagram '' was released.

On November 2, the YouTube music video views of their debut song "OOH-AHH Hae (elegantly)" exceeded 200 million views.

On November 16, the appearance of Japan's 68th NHK Red and White Family Competition , which is broadcasted on December 31 every year, was confirmed.

On December 3rd, YouTube music video views of "Likey" exceeded 100 million views in 23 hours and 43 minutes on the 33rd. This is the shortest record for Korean female singers.

On December 11, the repackaged album Merry & Happy was released for the first regular album, Twicetagram .

On December 22, "TT" 's YouTube music video surpassed 300 million views. This is the first record of a Korean female singer.