It's an urban-feeling dance song based on hip-hop and R&B, and world-renowned production team The Underdogs, who worked with famous pop stars such as Beyonce, Chris Brown and Justin Timberlake, and renowned composer Kenzie, who made a number of hit songs, have collaborated to enhance the perfection of the song.

The lyrics portray the story of a man who is addicted to a deadly and intense love as if he overdosed on a sweet medicine, drawing attention as they metaphorically express the hearts of many fans addicted to draw attention.

Bol4 Ahn Jiyoung, exo Baekhyun. Two artists with unique tones met to create the warmest and most emotional duet this spring.

It digested the unique affectionate and lovely sensibility of the lyrics of "The Butterfly and the Cat" with a refreshing and soft tone.

It is the first new style duet by Bol4, with the jazz piano and string ensemble in the chorus creating a mysterious atmosphere, with the highlight of the middle of the song driven by Martian instruments.

It is a song about the feelings of youth just becoming an adult, and it depicts the worries of people in their 20s who are confused by complex social concepts and laws such as human relations, law, flexibility, and money in a fence called "Society."

In the song, people and society were compared to cars and roads, respectively, and many rules to live by were compared to traffic lights.

It is a song that compares "beginning of society in the world" and "beginner driver on the road" to others.

The title song of the trendy R&B genre, 'Candy', Baekhyun's charm appeal song with no exit!

The title track "Candy" is a futuristic R&B song that has an impressive wave of trendy melodies that unfolds over addictive synth sounds, and the lyrics compare Baekhyun's colorful charm to various flavors of candy, which is witty.

It is a song about Han Young-ae's "No One" (written by Yoon Myung-woon), a popular song of the 80s, adding Korean and retro lyrics that are inverted to the melody on top of the exotic sound of Indian style.

Lee Ha-yi's new charm can be seen by expressing her desolate heart in a provocative and frank and confident manner.

Citing Hwang Jin-yi's sijo, "A Long Night in the Dongjidal," the heart-rending story of waiting for a new love calmly unraveled, and iKON's B.I. participated in the featuring with rap making to add a sense of rhythm to the song.

Also, the songs in the album, which are in collaboration with a colorful featuring group, will give listeners the fun of listening.

It is a bright dance song with a funky rhythm and musical instrument section, and the lyrics give you a pleasant energy with the lyrics saying that the midnight drive with your loved one is as exciting and happy as if you are traveling in space at night.

It is a collaboration dance song of dubstep and hip-hop, featuring wild and powerful beats and sounds, and the lyrics provide a witty story about wolves living alone in the cave meeting a beautiful girl and feeling the emotion of love.

It is a dance genre song with a cheerful rhythm, synthesizer, and a heavy base.

The lyrics contain the charisma of youth to believe in one's beliefs and freely race forward at the moments of many choices one encounters in life, giving one an energetic charm.

Written together by hit songwriters Kenzie and London Noise, "Monster" is a song with unique sounds and synths, plus sharp hip-hop-style drums, featuring dark yet fresh vocal patterns.

The lyrics that directly spit out the instinctive desire of a wild self like a monster and the irresistible obsession with a loved one catch the eye.

With a bright and cheerful R&B funk dance song with funky sounds and trendy disco tempo, it is the work of London Noise, which composed exo "Lightsaber", SHINee "View", f(x) 4 Walls", Red Velvet "Dumb Dumb".

It contains the heart-fluttering heart of a man leaving for the love of fate.

It is an R&B genre song that shows off a new type of aura through a combination of mysterious minor code progression and unexpected melodies.

It is also a unique combination of organ rhythm that fills the space between percussion sources, and it is impressive that it is a song that embodies both K-pop's unique popular sensibility and exotic sophistication, and it expresses the psychology of women who want to confirm their love with BLACKPINK's unique sensibility and unique narration.

1Billion Views (Feat. MOON) is a hip-hop song featuring funky guitar sounds and disco rhythms.

The lyrics are witty by comparing the desire to keep watching the beloved lover to repeatedly playing the video, and catch the ears with the melodic rapping of Sehun & Chanyeol and the soulful vocals of MOON.

The title track 'Ko Ko Bop', which was inspired by the rhythm play 'Down Down Baby' of English-American children, is an energetic reggae pop song that combines rhythmical reggae guitar with a heavy bass sound.

Members Chen, Chan-yeol and Baek-hyun participated in the lyrics, and the lyrics stand out, saying, "Don't be shy and dance according to the rhythm and let's stay together for the last night."

Also, the song title 'Ko Ko Bop' is a combination of 'Ko Ko' with funny pronunciation and 'Bop', which means dancing to music, and it is an exciting dance to the rhythm, drawing attention.

It is an electro-pop genre song that marks the beginning of the war, where a new worldview of exo begins.

'What U do?', which stands out with a refreshing atmosphere, is an impressive lyrics that expresses the heart of a loved one in a straightforward manner.

It is an acoustic folk genre song with a cheerful guitar rhythm.

The lyrics, written by exo "Dio", depict a fresh love story, even when he is so into the other person that he confesses with excitement and courage.