SMRookies Wiki

Seo Hye-In (서혜인), better known as Herin (헤린), was a trainee in SM Entertainment born on February 26, 2002 in Manchester, England, United Kingdom. She was member of a pre-debut training team SMROOKIES, she was introduced on July 8, 2015.

In July 2017, Herin left SM Entertainment and joined the survival show Idol School, however, the company has yet to make an official statement about her leaving.

Life and Trainee time

2014-2017: SM Rookies

In 2012, she got casted as an SM Entertainment trainee. Before officially becoming a public trainee, she made a brief appearance in Red Velvet's Happiness music video. In October 2014, She sang S.E.S's "I'm Your Girl" alongside other SM Rookies members for EXO's variety show "EXO 90:2014". She also participated in the SM Town Live World Tour IV concert alongside other SM Rookies members. In June 2015, She & SM Rookies appeared in News 'Korean Pop Idols Rule Asia.

On July 9, 2015, Herin was officially announced as a part of SM Rookies alongside Koeun and Hina as they were to star on Disney Channel Korea show The Mickey Mouse Club as a Mouseketeer alongside other SM Rookies members, with the show was hosted by Leeteuk of Super Junior, and aired from July 23 to December 17, 2015.

From 2016-2017, she has been inactive with SM Rookies.

2017: Idol School

In 2017, Herin became a contestant on the survival show Idol School confirming her departure from SM Entertainment. She was eliminated in episode 10 after ranking 22nd place.[1]

2018: YouTube

After the program, Herin has not been involved with any entertainment activities. She returned to the U.K and started a YouTube Channel under the name bonjavenue.


Survival shows

Year Title Network Role Notes
2017 Idol School Mnet Contestant

Variety Shows

Year Title Network Role Notes
2015 The Mickey Mouse Club Disney Channel Korea Cast member with SM Rookies


  1. Idol School: Episode 1-10