Yana hates Filipino men. For her the perfect man is Moon Shiwoo, a dashing Korean actor from the K-dramas that she always watches. Yana's dream comes true when she flies to Korea to join fans from all over the globe to meet Moon Shiwoo in an exclusive fan event. During the event, the fans compete for the attention of the star, but Yana finds herself falling for Jae, the actor's manager, instead.
Unfortunately the movie The Ultimate Oppa is not yet available on HBO Max.
| Writing | BJ Song | Screenplay |
| Production | Jung Min-jee | Associate Producer |
| Production | Ronald Monteverde | Executive Producer |
| Production | Glenn Mark Salamat | Associate Producer |
| Camera | Lee Tae-sul | Director of Photography |
| Production | Stacey Bascon | Supervising Producer |
| Crew | Valerie S. Del Rosario | Creative Consultant |
| Production | BJ Song | Executive Producer |
| Production | Chang Jun-won | Producer |
| Editing | Lee Eun-bi | Editor |
| Production | Vincent del Rosario III | Producer |
| Writing | Hong Yoon-hee | Screenplay |
| Sound | BJ Song | Music Director |
| Writing | Hwang In-roe | Screenplay |
| Production | Veronique del Rosario-Corpus | Producer |
| Production | Lee Bum-yun | Supervising Producer |
| Production | June Torrejon-Rufino | Supervising Producer |
| Sound | Lee Young-soo | Sound Designer |
| Production | Vic del Rosario Jr. | Executive Producer |
| Directing | Hwang In-roe | Director |
| Sound | BJ Song | Sound Designer |
| Sound | Ryu Young-min | Music Director |
| Camera | Ha Jae-young | Director of Photography |
| Production | Erik Matti | Executive Producer |
