Ever since the beginning of the year, girl groups have been waging a war with their sexy concepts, but the way they deal with these concepts are different.

There are main groups that boast being of 'a different class,' while others are taking on a different strategy to deal with the matter at hand.

Girl's Day and AOA are two main groups that are emphasizing the necessity of the sexy concept. Girl's Day used the sexy concept, and is currently going strong over a month later, taking their sexiness even further for the long run. AOA started as a band, and their first music program win was with their sexy transformation. Both these groups overturned the 2nd year 'lukewarm' stage through their sexy concepts, and proved that "ultimately the answer is sexy."

Both groups used the sexy concept as their strategies, and raised awareness of their groups through music videos and SNS, which helped them reach the top spots on various music programs. They've been put in the ring where they can confront other girl groups and put forth the best that they've got.

As soon as other groups started emerging, singers already boasting their sexiness had to set themselves apart with their comebacks. Sunmi is adding an alluring image to go along with their exposing sexy concept. She used the topic of vampires to deviate slightly from her body exposing sexy concept. She released her song "Full Moon" teaser on the 12th, in which she approached a man with her eyes locked on his neck, shocking the viewers with its intensity. She used red candles, bad noises, and other props to represent the sexy yet mysterious and gloomy atmosphere, accurately capturing Sunmi's intended sexy vampire image.

Since sexy concepts are becoming prominent for girl groups who want to rise to the top, major girl groups who are already at the top are looking to go down a different route. In particular, Girls' Generation has been known to state their position as "We won't go there."

Their song "Mr.Mr" teaser was revealed on the 11th, and looks to take place at the hospital, in which the members play the 'mystery girls.' A rep from their agency SM Entertainment stated, "It won't be a sexy concept. Just like it's always been, the members will show a new image that goes along with the song's message."

There are yet other singers that are willing to go as far as it takes to break through to the frontlines. Stellar. They're determined to go all the way.

They revealed teasers that blatantly reveal their body parts. They even showed choreography and costume attire that reveal most of their butts. They released the music video on the 12th, and are determined to stand their ground in the sexy war. As far as exposure goes, it will be hard to top these girls. It looks as if they're determined to give it all they've got, even if it means showing their private but sexualized body parts.

Although some may think that sexy is getting overdone, these girls have been the number 1 search query on portal sites for 3 days now, and are receiving an explosive response.