Na Jaemin is an idol from the NCT group as well as a member of the NCT Dream subunit under SM Entertainment. His popularity has always been in the public spotlight because of his dancing and vocal skills. Even fans are often fascinated by his unique deep voice.

He is also a member with extraordinary visuals. Not only that, Jaemin is also a member of NCT who comes from a wealthy family and has no siblings, aka an only child. That's why he earned the nickname "Wealthy Only Child".

In 2014, he began appearing on one of SM Entertainment's pre-debut training team shows, SM Rookies. From August 2014, he along with SM Rookies participated in SM Town Live World Tour IV. Jaemin also appeared on the TV reality show EXO 90 with other NCT colleagues.

Furthermore, in 2015, Jaemin was officially announced as a member of SM Rookies. He appeared in The Mickey Mouse Club program which aired on Disney Channel Korea. Until finally, on August 20, 2016, Jaemin was confirmed as the third member of the NCT subunit, namely NCT Dream and officially debuted with a single titled Chewing Gum.

Having been on hiatus due to health problems in 2017, Na Jaemin returned to greet fans by being part of the new project NCT 2018. He was also part of NCT Dream's comeback with a single titled Go.

Na Jaemin merupakan salah satu idol dari grup NCT sekaligus menjadi anggota subunit NCT Dream di bawah naungan SM Entertainment. Popularitasnya selalu menjadi sorotan publik karena kemampuan dance serta vokal yang mumpuni. Bahkan penggemar kerap terpesona dengan deep voice-nya yang unik.

Ia juga merupakan member dengan visual yang luar biasa. Tidak hanya itu, Jaemin juga merupakan salah satu anggota NCT yang berasal dari keluarga berada dan tidak memiliki saudara kandung, alias anak tunggal. Itulah kenapa ia mendapatkan julukan "Anak Tunggal Kaya Raya".

Pada tahun 2014, ia mulai tampil di salah satu acara tim pelatihan pre-debut SM Entertainment, SM Rookies. Dari Agustus 2014, ia bersama SM Rookies berpartisipasi dalam SM Town Live World Tour IV. Jaemin juga tampil dalam siaran reality show TV EXO 90 bersama rekan NCT lainnya.

Selanjutnya, pada tahun 2015, Jaemin secara resmi diumumkan sebagai anggota SM Rookies. Ia tampil dalam acara The Mickey Mouse Club yang ditayangkan di Disney Channel Korea. Hingga akhirnya, pada 20 Agustus 2016, Jaemin dikonfirmasi sebagai anggota ketiga dari subunit NCT, yakni NCT Dream dan secara resmi memulai debutnya dengan single berjudul Chewing Gum.

Sempat hiatus karena masalah kesehatan di tahun 2017, Na Jaemin kembali menyapa penggemar dengan menjadi bagian dari proyek baru NCT 2018. Ia juga ikut bagian dari comeback NCT Dream dengan single berjudul Go.