[8] He made his debut as a soloist in January 2011 with single Not Alone,[9] and had his first Japanese drama entitled Love Song In August in 2011.

[10] However, Park joined Yamaha A&R's Victor Entertainment eventually after successfully terminating his contract with CNr Media in 2012.

[13] He studied in the Department of multi-media images, Major in Acting at the Kyonggi University,[14] where he was the student council president with fellow SS501 member Kim Hyung Jun.

[24] In 2006, Jung Min hosted radio program SS501's Youngstreet on Seoul Broadcasting System (SBS) with fellow SS501 member, Heo Young Saeng beginning on May 1, 2006.

[25] He, then, continued to host with Kim Kyu Jong, co-SS501 member, when Heo left the program on August 21 due to a throat condition requiring laryngeal surgery.

[26] The SS501 members, except for Heo Young Saeng who was recovering from surgery, also lent their voices to the Korean version of 2006 animated film Pi's Story.

[46] He also contributed to KBS2's The Princess' Man OST in August, where he sang "Missing You" composed by Park Jung Wook.

[48][49] Four days later, on April 12, Park filed an injunction at Seoul Central District Court against his agency CNr Media to cancel his exclusive representation contract, citing improper distribution of profits.

However, despite the lawsuit, he still continued to uphold his promise with his fans, attending all schedules set by CNR Media including promotions for the Taiwanese drama Fondant Garden.

It was said through a press release on May 28 that Park agreed to receive an amount that could be paid by his former agency since CNr Media is in poor financial status recently.

We reached an agreement so that all legal ties would be cleared, letting Park Jung Min concentrate on his current activities.

[56] Afterwards, he returned to Korea to continue his music career as 'Park Jung Min' and released his first self-produced single album entitled Beautiful.

[57] At the end of the year, he released a full length Japanese album Midnight Theatre back as Romeo.

[58] Park Jung Min attended and performed at the 2013 StarHub TVB Golden Viva Spectacular together with other K-Pop artists on February 9, that was initially filmed during the January 31 at the Seoul Student Jamsil Gymnasium.

[59] On February 14, he held a press conference at the Sony Music Square in Tokyo about his upcoming concert tour.

[60] During SS501's eight anniversary, Park, along with the SS501 members posted one video of them celebrating and greeting their fans onto each of their own official YouTube accounts.

[63] Park had his first fanmeeting tour in South and Latin America together with co-member Heo Young-saeng starting on August 17.

The next day, he headed to Paris at the Le Divan du Monde before wrapping things up in Moscow on February 3 at the Concert Hall.

In all of his shows, he had shared the stage with his opening act, Choi Soo Min, a boxer-turned-pianist who has received critical acclaim for his dynamic style of music.

[77] His professionalism was shown during one of his concert tours in Germany wherein he stayed calm and composed despite having numerous technical problems.

As stated by German-based "K-Colors of Korea' Magazine": How grown and professional of an artist Park Jung Min is he got to show thanks to the mess the technicians made during the concert.

[81] Park Jung-min is not restricted, but continuously transforming his style: "...he reinvented himself, from boygroup member to solo singer; to artist.

[83] In April 2011, Park performed with Japanese duo Mihimaru GT at a UN Charity Concert in Yokohama, Japan to aid victims of the 2011 Tōhoku earthquake and tsunami.

Along with the members of Choshinsei(Supernova), he also stood outside the event hall at Pacifica Yokohama to collect monetary donations.

[89] On May 29, 2015, Park again made an appearance & performed in "Echoes of Love" Charity Concert, also at the Amsa Rehabilitation Centre.