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Sungjong

Korean: 성종

Hometown:

Gwangju

Country:

South Korea

Full name:
Lee Sung Jong
Native name:
이성종
Birthday:
Age:
30 years old
Blood type:
A
Height:
5'11" (179 cm)
Group (2010-present):
Group (2014-2021):

Introduction

Sung Jong (성종) is a South Korean singer under SPK Entertainment. He is the maknae of the boy group INFINITE and its sub-unit INFINITE F.

He made his solo debut on March 13, 2023 with the single album "The One".

2018–2019: Radio
Sung Jong worked as a radio DJ host for his own program "Lee Sungjong's Midnight Black" on EBS for 10 months. The show aired from the 27th of August 2018 to the 15th of June 2019 every week from Monday to Saturday at midnight. He had several guests including INFINITE's members Woo Hyun and Dong Woo who came to promote their solo albums.

2021: YouTube channel
On June 9, 2021, it was revealed that he had renewed his contract with Woollim Entertainment once more after 11 years.

Sung Jong has been posting videos on INFINITE's official YouTube channel starting from August 2021 called "What is Sungjong doing ?" and has teased fans about his own upcoming YouTube channel ever since.

2022: Departure from Woollim and new agency
On January 24, 2022, it was announced that Sung Jong had left Woollim after being with the company for 13 years. However, he will continue to be a member of INFINITE.

On September 5, 2022, Sung Jong signed an exclusive contract with SPK Entertainment.

2023: Solo debut
On March 8, 2023, it was announced that Sung Jong will make his solo debut on March 13 with the single album "The One".

Personal life
Military service
On July 29, 2019, Sung Jong revealed that he had enlisted in the army. He was discharged on May 8, 2021. He served as a public service worker.

2024:
on January 15, 2025 Sungjong took to social media to announce that through his lawyer he is termining his contract with SPK Entertainment, it was confirmed that non-payment of exclusive contract deposit and settlement fee, and breakdown of trust relationship were listed as reasons for terminating the exclusive contract.

Sep 5, 2022-Jan 15, 2024
Jan 19, 2023-present
Jun 9, 2010-Jan 24, 2022
Debut:
Jun 9, 2010
Current state:
active 
Active years:
2010-present
Zodiac-sign:
Language(s):
Korean, Japanese
Education:
Jeoju Arts High School
Military service:
July 29, 2019 - May 8, 2021
MBTI:
ESFJ
kpopping rank:
738th
Fandom:
Inspirit
lightstick
lightstick
0 awards
1 pics
2 videos
2 albums
10.9K viewed
20 added

Fun facts

1
Sungjong wanted to keep the desert fox on "Come back Again" MV as his pet.
2
Sungjong's nicknames include Hamster (bc of his eyes) and Grandpa (bc he's always tired)
3
Sungjong would love to be a DJ if given the opportunity
4
Sungjong doesn't want to be ordered around just because he's the maknae.
5
Sungjong joined Woollim Entertainment because of Nell
6
If Sungjong could choose a superpower, he would choose teleportation
7
Sungjong is ambidextrous
8
Sungjong's favorite color is yellow
9
Sungjong's ideal type is a cute and chubby girl
10
Sungjong considers Michael Jackson as his role model

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