Sungjin

Park Sung-jin (박성진; born January 16, 1993), also known by his mononym Sungjin, is a South Korean musician, singer, songwriter, and guitarist. He is best known as the leader, guitarist and vocalist of South Korean pop rock band Day6.

Early life
Park Sungjin was born on January 16, 1993, in Busan, South Korea. He has an older sister. He attended Kyungnam High School, which is well-known for their baseball team.

2009–2015: Pre-debut
Park was known to have performed in school festivals prior to training and debut. In 2009, Park won the Daesang (Grand Prize) in the 2009 CMB Chin Chin Youth Festival. He also made an appearance in the famous variety show, Star King in the same year. He revealed that he had received casting offers from five companies in the program. He then auditioned and passed his audition for JYP, and began his trainee life with JYP.

On September 2013, Park appeared in the fourth episode of WIN: Who is Next? as a part of JYP's vocalist team alongside his eventual Day6 bandmates. He also appeared as a contestant in Hidden Singer 2 on December 15, 2013, in which he was introduced as the JYP trainee and lead vocalist for an upcoming rookie group.

Park was one of the members for 5live, a group which was originally planned to debut in 2014. However, their debut was delayed.

2015–present: Day6 and solo activities
On September 7, 2015, Park debuted as the leader of Day6. The group released their debut EP, The Day, with the lead single "Congratulations".

On March 14, 2018, he made his Japanese debut as a member of Day6 with their Japanese single "If ～また逢えたら～".

On October 25, 2022, Park made his first broadcast appearance through EBS FM Night Radio hosted by Pentagon's Shinwon after being discharged from the military.

Park became the new weekly radio host for KBS Station Z, starting from November 2, 2022.

He started his personal YouTube channel in December 2022.

Personal life
On March 8, 2021, Park announced his enlistment through V Live Broadcast. He served as the drill instructor during his military service. He was discharged on September 7, 2022.