Sponsor (Korean: 스폰서; RR: Seuponseo)[3] is a 2022 South Korean television series starring Lee Ji-hoon, Han Chae-young, Ji Yi-soo and Koo Ja-Sung.

[4][5] The drama is described as another Penthouse.

[6] It was scheduled to premiere on iHQ on November 29, 2021 but postponed to February 2022 with a plan to simultaneous air on MBN along with iHQ.

[7] It premiered on MBN simultaneously with iHQ from February 23, 2022.

[8] A romance thriller between four men and women running like a runaway locomotive toward different desires, including success, revenge, children and love.