Kim Dong-Jun, "I'm sorry I couldn't break up." The high-profile farewell performance in the M/V teaser plus storm singing.

Ahead of the release of the new special single, Kim Dong-Jun unveiled a heart-wrenching teaser video.

Kim Dong-Jun released a teaser video for the official music video for his new special single "I'm Sorry I Didn't Break Up," which will be released on Aug. 28 via Major Nine on its official SNS on Aug. 26.

The teaser video released shows Kim Dong-Jun, who continues to build a space and somehow swallows his escalating sorrow.

The scene in the teaser, which seems to be yearning for someone with a lonely look, blends beautifully with Kim Dong-Jun's heartbreaking vocals, also making viewers feel better.

Kim Dong-Jun's new song "I'm Sorry I Didn’t Break Up" is a male version of Ben's "Thank You for Breaking Up," which recently swept various music charts, about a man trying to capture his estranged lover.

Kim Dong-jun is expected to release a special music album, representing the man's feelings, and stimulate the music fans' emotions.

Meanwhile, Kim's new special single, "I'm Sorry I Didn't Break Up," will be released on various music sites at 6 p.m. on Aug. 28.