Ji-sook (29, Kim Ji-sook), from the girl group Rainbow is in a relationship with Lee Doo-hee (36), a programmer from the same company. Lee Doo Hee has been a previous contestant on "Genius."

In the morning of October 29, Ji-sook's agency D'Most Entertainment officially said Ji-sook is in love with Lee Doo-hee. A representative said, "The two are very commited to each other."

Ji-sook and Lee Doo-hee have been known to have developed love through their common interests and have been meeting seriously. 

Ji-sook made her debut with Rainbow in 2009, and after the breakup of the group, she has been offered a contract by various entertainment programs. In recent years, he has been active in KBS Joy's shopping butting.

Lee Doo-hee is a programmer who majored in Computer Science at Seoul National University.