In September 2023, Italian luxury fashion house Tod's announced Jungwoo as their first male ambassador in South Korea.

[5][6] In October of the same year, he joined the Seoul-based unit NCT 127 with the title "Regular" for their first studio album Regular-Irregular, with the position of dancer and vocalist.

[7] In August 2019, in the middle of NCT 127's first world tour, it was announced that Jungwoo will be taking a temporary break due to health concerns after his noticeable absences from the group's activities.

[8] In January 2020, SM Entertainment confirmed that Jungwoo will be returning with NCT 127 for their 2nd studio album Neo Zone and title "Kick It (영웅)".

In the Sports Meet episode, Jungwoo was awarded the MVP title after successfully jumping over 2.3 meters high vaulting box.

[17][18][19] With the return of MBC's Idol Star Athletics Championships after 2 years in September 2022, Jungwoo, along with Sungchan, and Shotaro, were selected as representatives for NCT, where they competed against other male groups and won the gold medal for Men's Archery Team category.

[23] August of the same year, Channel TEO launched "Welcome Ghost Club" featuring Jungwoo as part of their pilot project, Fantastic Lab.

[24] The following month, Italian luxury fashion house, Tod's, announced Jungwoo as their first-ever Korean male ambassador.

The soundtrack contains the message of remembering and supporting Fubao, a popular giant panda born in South Korea returning to China.

[29][30] In June 2024, KBS KPop Youtube channel announced a new web variety program, Nopogy, featuring Jungwoo and Monsta X Shownu.