BTS

BTS (Bangtan Sonyeondan), also known as the Bangtan Boys, is a seven-member South Korean boy band formed by Big Hit Entertainment. But in 2017 their name also would be known as Beyond the scene.
RM                                           Jin                                                  Suga                          
                   



                J-hope



Jimin                                           V                                              Jungkook
                  

               

The meaning of their name Bangtan Sonyeondan is "Bulletproof Boy Scouts". It was conceptualized with the thought that BTS would block out stereotypes, criticisms, and expectations that target adolescents like bullets and protect the values and ideals of today’s adolescents.
"Beyond the scene" is a new brand identity meaning "growing youth BTS who is going beyond the realities they are facing, and going forward".
In 2012 their official Twitter account was launched. In 2013 their introduction to the public was announced. 

Like their career before and now their albums sales were increasing over the years.

In 2014 the same day release"Boy In Luv" peaks on Billboard Chart Albums at 3rd position making it the first milestone on Billboard World Albums Chart. In September the same year they launched "Hip Hop monster" webtoon series.

Their eight MV "I Need U" give them more attention overseas. Their "Dope" MV became more popular that their other ones, also got 3rd in Billboard World Digital Chart.

In 2015 they became the Brand Ambassadors of PUMA. "Fire" MV become popular overseas in 2016.
Their fourteen MV was the one that gave a big push to BTS to be recognized overseas, Wings album "Blood Sweat & tears" And got No.1 in Korean music serves.
2016 they get hit the first position in Billboard Social 50 chart. They won their first Daesanga "Best Album of the year" a very important award in Korea and was their first step for worldwide domination.

2017 they won "Top Social Artist Award" at the Billboard Music Awards that gave them a lot more opportunities and advantages worldwide.

They reached 11 million followers on Twitter and currently the most followed Korean Artist.
They hit 7 million followers in their V app a Korean app that artist in Korea uses.

They got 200 million views in their MV that broke a lot of record in Billboard, Spotify&iTunes. They hosted American shows like James Corden, Jimmy Kimmel, Ellen Shown, Jimmy Fallon, Good Morning American, American Got Talent, also had a lot of interviews. First Kpop to perform in American Music Awards.
Released a new line called BT21 that also has a Twitter account

Coke

LG Electronics

Puma

Superstar BTS

BT21 game

https://www.youtube.com/watch?v=uwgDg8YnU8U

BTS Movie

https://www.youtube.com/watch?v=9iDEft7nchU

BTS puma

https://www.youtube.com/watch?v=I8EvI1-DsKo

Coke

https://www.youtube.com/watch?v=omC4LH9cI7c

LG

https://www.youtube.com/watch?v=brEVwu6QegU

Seoul tourism

https://www.youtube.com/watch?v=FHYSURANqNQ

VT cosmetic

What BTS does to be close to their fans and proved to be very important is that they use Twitter to update almost everyday. They also have YouTube channel, Naver V app where they do live streams.

They released tv show

Year	Title	Network	Note(s)	Ref.
2013	Rookie King: Channel Bangtan	SBS MTV	BTS-based reality show, 8 Episodes
2014	American Hustle Life	Mnet		[214]
	BTS GO!	Mnet America	BTS-based reality show, Episode 7	[215]
2018	Burn the Stage	YouTube Premium	Documentary on BTS' Wings tour, 8 Episodes	[216]

Variety shows

Year	Title	Note(s)	Ref.
2015	BTS Bokbulbok	5 Episodes	[217]
2015-17	BTS GAYO	15 Episodes
2015-18 (on hiatus)	Run BTS!	56 Episodes	[218]
2016-18	BTS: Bon Voyage (Season 1-3)	Each Season 8 Episodes (Vlive+)	[219]

They have also done a partnership with UNICEF of Korea, and done donations. In 2018 they attended the United Nation 73 General Assembly where RM gave a speech for a new initiative called "Youth 2030: The UN Youth Strategy".  

They have a good marketing, I agree with most of what they do.