Heo Young-saeng

In January 2016, Heo reunited with Kyu Jong and Hyung Jun and grouped as "Double S 301". CI Entertainment released a photo teaser for their comeback. The group released an album entitled Eternal 5 on February 16, 2016, followed by a Japanese album entitled Eternal S on April 20, 2016.

In January 2016, Heo reunited with Kyu Jong and Hyung Jun and grouped as "Double S 301". While, Hyun Joong and Jung Min were inactive at the time due to military service duty, CI Entertainment released a photo teaser for their comeback. On January 20, 2016, CI Entertainment revealed second photo teaser and announced release date for album "ETERNAL 5". The album released on February 16, 2016. The group held a concert at BLUE SQUARE Samsung Card Hall on March 19 and 20, 2016 entitled "2016 Double S 301 CONCERT〈U R MAN IS BACK〉IN SEOUL".

In June 2016, Young Saeng started to participate in MBC's Duet Song Festival with Lee Jeong-Hyuk. The Duo won during their first performance covering TVXQ's Mirotic. After his win was announced, Heo said, "This is the first time I’ve won No. 1 in anything in six years." Heo continue to participate in various show just like King of Mask Singer and Singing Battle – Victory.

In Dec 2016, prior to Double S 301's comeback activities, Heo Young Saeng rose gained popularity from singing the song, ‘I cannot forget’ in the OST for ‘Blow Breeze’, on MBC Weekend Drama, released on December 3, 2016.

In December 2015, Heo returned to theater to play the role of Han Minho in the musical "Haru". It's together with Hyung Jun. Also, it served as the musical comeback of Heo after 21-month of hiatus due to military service.

On July 30, 2015, Heo completed his military service and was officially discharged. He made his exit quietly through a private discharge ceremony without holding any special events or meeting with the press. It was also reported that the singer has officially signed an exclusive contract with CI Entertainment, also home to Kim Dong Wan and fellow SS501 member Kim Hyung Jun. CEO of CI ENT shared that Heo Young Saeng will actively begin promotions in singing as well as acting in the near future. His very first official schedule following his discharge was a fan meeting in Korea on August 29 at Sungshin Women's University's Woonjung Green Campus auditorium. On August 4, tickets for the fan meeting were opened on Interpark. Within a minute, all of the seats were sold out. Following his domestic fan meeting, he held a second one in Tokyo on September 5, greeting his overseas fans for the first time since enlistment.

Itt was reported that Heo was in negotiations with CI Entertainment as early as June 2015, during his enlistment. The agency told Newsen, "We′re currently positively meeting with Heo Young Saeng regarding his contract. Around the time of his discharge, the decision on his contract is expected to come out. The company is actively recruiting and Heo Young Saeng is said to be positively looking over it. If the contract does get signed, we plan on support Heo Young Saeng in all aspects from singing to acting."

On October 31, 2013, Heo started his mandatory, 21-month military service as a police officer. He completed his military service on July 30, 2015. He also joined CI Entertainment.

On May 29, news was spreading that Heo planned to enlist for his mandatory military service in November. According to one of B2M Entertainment's representatives, he planned to enlist by the end of 2013 upon receiving a draft notice. At the time, he already completed the checkup, and was found to be fit for active duty by the Office of Military Manpower Administration.

During SS501's eight anniversary, Heo, along with the SS501 members posted one video of them celebrating and greeting their fans onto each of their own official YouTube accounts. Kim Hyun Joong was not able to be in the video at that time because he was filming for his variety show, Barefooted Friends. However, Kim Hyun Joong still talked about their anniversary on his Korea fan meeting entitled 2013 KHJ Show – Party People, held on the same day of their anniversary.

Heo performed during the Lotte Family Festival 2013, together with the other 28 performers in Seoul. He performed during the second day of the festival on September 14, which was largely devoted to K-drama popular original soundtracks. In particular, he sang "Because I'm Stupid" from Boys Over Flowers original soundtrack, which won several awards back in 2009.

On October 26, Heo had his first and farewell concert in Seoul entitled "2013 Heo Young Saeng Seoul Concert 0513 My Story" held at the UNIQLO AX Hall. The event marked the first time that all five members of SS501 appeared together on one stage onscreen and performed together as a group again after three years. On the side note, his fans from all over the world had donated a total of 1.23 tons of rice, 200 eggs, and 2,400 coal briquettes to be given to a Heo's chosen charity.

Heo together with Hyung Jun were cast in the musical "Haru". They performed the musical at the Meijijao Theater in Tokyo Japan from December 13 to the 25th featuring Hyung Jun and Heo as Kang Youngwon and Han Minho respectively.

Heo has several friends in the entertainment industry besides his co-members in SS501 and labelmates. Heo has been close to TVXQ and Super Junior, particularly Yunho, Changmin, Yesung, Heechul, Siwon and former TVXQ members and current JYJ members Jaejoong and Yoochun, ever since their SM Entertainment training days. Heo and Siwon even attended the same school and were classmates. In addition, Boys Over Flowers's Park Ji-bin has been like his younger brother as they are always seen together during soccer adventures and VIP screenings. Park even saw Heo off to the army in 2013. Also, F.T. Island's Lee HongKi, both lee and heo support each other in concerts and other events. Others include Go Ara, Mir, and Seo Ji-seok, who had a cameo on Heo's "The Art of Seduction" music video as well as the composer of "Gazing".

In February 2012, KBS confirmed that Heo Young-Saeng would be part of KBS2's daily sitcom called I Need A Fairy (also known as Sent From Heaven), playing the role Heo Young Saeng/ Kaki. A month later, he released a soundtrack of the said drama entitled "Love Song".

On May 9, 2012, B2M Entertainment officially announced via Twitter that Heo, himself, participated in the planning process and production of his new mini album Solo. As an artist, he wanted to go from being an idol to co-producing his work, especially since he had participated in the making of this album. The music video teaser was released on May 18, 2012.

Heo Young-Saeng released his first Japanese album entitled Overjoyed in Japan on September 19, 2012 under Pony Canyon Japan. It consists of eight songs, including three Japanese versions of songs from his previous Korean mini albums. Overjoyed entered the Japanese Oricon weekly album charts at No. 29.

Heo has performed in musicals as well: he debuted in The Three Musketeers, playing the role of D'Artagnan during 2011, and appeared in 2013, the Summer Snow musical.

He was scheduled to launch his solo singing career on April 28, 2011, but had to postpone because he pulled the ligaments on his right hand during a dance practice. He was also scheduled to guest star on SBS's Good Sunday variety show Running Man, on May 8, 2011, but due to his injury, he appeared only briefly to hand out a mission.

Heo Young-saeng's solo debut mini album, Let It Go, was released on May 12, 2011, which features Spica's Park Ju-hyun on the music video, and Kim Kyu Jong and Hyuna on "Rainy Love" and "Let It Go" tracks respectively. The album peaked at number one on Gaon's album chart for the week starting on May 8. Three weeks after, B2M Entertainment announced Heo's official fanclub's name to be named "Y.E.S", or "Youngsaeng's Eternal Supporters", as decided by online voters.

On November 9, 2011, Heo, along with other Korean and Japanese artists, performed at the Seoul Tokyo Music Festival 2011 at the Saitama Super Arena, Japan. At the same time, Heo made his musical debut in The Three Musketeers, playing the role of D'Artagnan from November 3 to December 18.

In 2010, Heo left DSP Media, who managed him as part of SS501, and moved to B2M Entertainment, with bandmate Kim Kyu-jong, to pursue his solo career. His debut album as a soloist entitled Let It Go was released in May 2011. He then released several albums more in Korea and Japan, with the hit tracks "Crying", "The Art of Seduction", "Weak Child", and "1.2.3", among others. In 2012, Heo played his first acting role in KBS2's sitcom I Need A Fairy.

In June 2010, upon the expiration of SS501's contract with DSP Media, Heo along with fellow band member Kim Kyu Jong, signed with B2M Entertainment, the agency of former DSP Media songstress Lee Hyori, to embark on his solo career. In launching his solo career, he and Kim held a joint fanmeeting, Kyu Jong & Young Saeng Story in Seoul on December 4, which continued in Hong Kong, Japan and countries across Asia.

Having built their foundation as artists in Japan and Korea, SS501 continued to release singles and albums in both Korea and Japan, such as Deja Vu in Korea and Lucky Days in Japan, both released in 2008. However, they stopped their activities as a group for a period of time as Park Jung-min and Kim Hyun-joong were given solo projects for the Grease musical and the Boys Over Flowers series, respectively. Nevertheless, the three remaining members, with Heo as lead singer, continued to tour, dubbed as the SS501 Project Group. They released a project album named U R Man in November 2008, with the high-tempo dance title track "UR Man". They also contributed to the Boys Over Flowers soundtrack with "내 머리가 나빠서" (Because I'm Stupid), and appeared as a cameo in episode four, performing their track, "U R Man". The track won Song of the Month for February at the 32nd Cyworld Digital Music Awards on March 28, 2009. as well as the Best OST of the year during the 2009 Mnet Asian Music Awards.

In 2009–2010, SS501 released All My Love, Solo Collection, Rebirth, and Destination consecutively before their contracts ended. Heo wrote his solo track "사랑인거죠" (Is it Love?) by himself, which made him the first SS501 member to compose and write the lyrics of the song. "사랑인거죠" (Is it Love?) was written during SS501's activities in Japan in 2007, as well as the lyrics for his part of "완.두.콩." (Green Peas), a song written for their fans. Moreover, Heo composed "영원토록" (Until Forever), which was originally a wedding song, but since he felt sad whenever he heard the song, he did not give it a wedding-themed title.

In 2009, Heo started contributing soundtracks to television dramas, which includes "눈물을 지워가" (I Erase Tears) from Friend, Our Legend and "사랑해요..미안해요.." (I Love You.. I'm Sorry..) from Will It Snow for Christmas?.

SS501 soon promoted their first studio album S.T 01 Now. In late 2007, they expanded their activities in the Japanese market to challenge themselves outside Korea with the release of their Japanese single Kokoro, along with the establishment of "Triple S Japan". The single debuted at number 5. They had two more successful releases in Japan entitled Distance and SS501 The band received the Newcomer Award by Japan Gold Disc Award in January 2008; this was the first time Korean artists had received this award.

Heo hosted SS501's radio program SS501's Youngstreet on SBS along with fellow member Park Jung-min from May 1 to August 21, 2006. He was forced to leave the program due to a throat condition that required laryngeal surgery, and bandmate Kim Kyu-jong took over as DJ.

He started as a trainee at SM Entertainment for about 2.5 years. He then joined DSP Media, formerly known as DSP Entertainment and trained for 3 months before debuting. He debuted as a member of SS501 on June 8, 2005.

Heo debuted as a member of SS501 on June 8, 2005, along with their debut album, Warning. Their second mini album, Snow Prince, was released in late 2005, five months after their debut. During this time, the band established their official fan club name, "Triple S", and its color, pearl green. The group earned instant popularity and won many rookie awards following their debut.

Heo Young-saeng (Korean: 허영생 ; Hanja: 許永生 ; born: November 3, 1986) is a South Korean entertainer and the main vocalist of boyband SS501. He's also the leader of 'Double S 301'.

Heo Young-Saeng was born on November 3, 1986 in Gochang County Jeollabuk-do, South Korea. He is an only child.

Following the "Double S 301" Korean debut, they are debuted in Japan with an album entitled Eternal S, followed by a concert in Tokyo and Osaka, Japan. Particularly in Tokyo Dome City Hall and Orix Theater on April 25 and 27 respectively. 4 months after their Korean debut, the group released a special album Estreno for SS501's 11th anniversary since debut.