On January 6, 2014, the group's SNS were launched. Two days later, on January 8, teasers revealing the lineup were posted. As part of their concept, each member was assigned a specific role representing different positions within a high school.
The group's lineup consisted of Baek Se Hee as Class President, Later in August 28, they released their fifth digital single titled "Always (2015 ver. )". On November 4, the group released their first mini album Believe.
On July 1, 2016, Year 7 Class 1 made their official Japanese debut with the digital single "Oppa Virus", which is a Japanese version of their debut digital single. On January 12, 2017, they released their sixth digital single titled "Please Remember Me". On May 10, they released their seventh digital single "With Spring", which featured acoustic versions of their previous releases.
After over a year of inactivity, the group presumably disbanded as the members began promoting independently without referencing or presenting themselves as a part of the group. Following their disbandment, the members went their separate ways: - Kwon So Jeong became active as a model. - Han Bit Na became active as a soloist.
She eventually debuted as a soloist with the mini album 0-6 on March 20, 2025, under the stage name OWN. - Yoo Hwa created a YouTube channel where she used to upload vlogs. However, she has since shifted focus to her personal life.
- Go Eun Shil became active as a model and actress, under the name Ko Yusun. In 2023, she participated in Miss Trot 3 but was eliminated in the first round. - The remaining members appeared to have left the entertainment industry.
Log in to join the conversation.
Year 7 Class 1 Fan Board
Write PostNo posts yet.
Be the first to write one!