Treasure (Korean: 트레저, romanized: Teurejeo; Japanese: トレジャー, romanized: Torejā; stylized in all caps), is a South Korean boy band formed in 2019 by YG Entertainment through YG Treasure Box (2018–2019); and consists of 10 members: Choi Hyun-suk, Jihoon, Yoshi, Junkyu, Yoon Jae-hyuk, Asahi, Doyoung, Haruto, Park Jeong-woo, and So Jung-hwan.

[2] K-pop Star 2 (2012–2013) runner-up, Bang Ye-dam, was prominently featured in reports as a member of this nascent ensemble—heralded as the label's youngest male act, comprising trainees aged 15–17 with an average of four to five years of training.

[5] The final lineup included Haruto, Bang Ye-dam, So Jung-hwan, Junkyu, Park Jeong-woo, Yoon Jae-hyuk, and Choi Hyun-suk, collectively named Treasure.

[22] In June, Bang Ye-dam became the first member to release solo material with the digital single "Wayo" (왜요; waeyo), which featured contributions from label-mates Kang Seung-yoon of Winner and Lee Chan-hyuk of AKMU.

[35][36] The third installment and its release on November 6 included lead single "Mmm" and the B-side "Orange" (오렌지; olenji), the group's first self-written song, created by Asahi.

[52] The band first appeared on terrestrial broadcast in Japan with the Nippon TV music program Buzz Rhythm, where they performed the Japanese version of "Boy",[53] in conjunction to their official debut in the country.

[64][65] Released on October 4,[66] titular single, "Hello", from their sophomore EP was listed as one of five best K-pop songs of 2022 by Time[67] while its Japanese equivalent became their first album to be certified gold by the Recording Industry Association of Japan (RIAJ).

[80] It resulted them to visit an audience of half a million attendees across all stages since the outset of the year,[81] and steered the band to become the first Korean act to enter Tokyo Dome for a fan meeting.

[82] Treasure ushered a "reboot" project through a partnership with Columbia Records for global distribution and local marketing in North America,[83] in tandem to their first official sub-unit, T5, with So Jung-hwan, Junkyu, Jihoon, Yoon Jae-hyuk, and Doyoung.

[98] In their career, Treasure became endorsement models for the naturalist cosmetics brand, Manyo Factory,[99] assisting in achieving its highest sales through the group's product advocacy to the viewers on a live broadcast hosted with CJ Olive Young,[100] and I'mmune, an aloe immune health functional food under Univera.

[103] Treasure also partook in various partnerships, including with the global creative studio, Line Friends,[104]—in which their products, branded as Truz, sold out domestically in one minute through the official smart store, and under an hour in eighteen countries abroad[105]—Shinsegae's convenience store, Emart24, and its branches in Korea and Malaysia, Pucca Puzzle Adventure game,[106] Thai shoe brand Baoji,[citation needed]Unilever Japan.

[109] Funds and awareness were raised to construct South Korea's first-ever Lou Gehrig rehabilitation hospital for those requiring medical treatment, resulted by the disability.

[110] Further acts include partaking in a program organized by YG Entertainment through the Blue Angel Volunteers at an animal shelter where they created shelters, cleaned, and restocked feed supply amidst other acts;[111] and was involved in opening a school support fund through Naver's Happy Bean with Muju YG Foundation and Um Hong-gil Human Foundation, to construct schools for youths and adolescents, in Nepal's underprivileged areas.

Happy Bean,[114] and further used their social media platforms to advocate for the 51st Earth Day, voicing concerns on environmental problems which include climate change, and promoted how to confront these issues.

[115] Produced under YG Entertainment, which has traditionally presented music largely rooted in hip-hop, the act offered a broader notion, with sounds more in line with other conventional K-pop groups with strong dance performance-based elements.

[25] Its leader, Choi Hyun-suk, cited the band offered a "plus alpha" element to the existing traditional "YG style", creating synergy with their cadence-heavy dance performances.

[116] In the band's debut press conference, they stated their main role model and influence towards their careers were their labelmate seniors under YG Entertainment through their various music releases and videos.