Lee Min-ho and f(x)'s Krystal reveals photo the start filming new drama for “Master’s Sun.”

Actor's Lee Min-ho and f(x)'s Krystal have brought the public’s attention to their upcoming drama.

Lee Minho and Krystal each posted a photograph of themselves holding the script for their TV series tentatively titled “Heirs” – Lee Minho on his Twitter account on Friday and Krystal’s on her agency SM Entertainment’s official Facebook account yesterday.

Alongside his photo, Lee Minho wrote, “Heirs! One who wants to wear the crown, bear the crown. First filming day” while Krystal’s photo did not accompany any remarks.

A separate press release by Lee’s agency Starhaus Entertainment said today that the actor started filming the show yesterday afternoon.

Starring Lee Min-ho, Park Shin-hye, f(x) Krystal, ZE:A Hyungsik, Kim Woo-bin and other actors and actress, the series will center on the love and friendship between upper-class high school students.

The drama is set to premiere in the Wednesday and Thursday time slot in October, taking over current series “Master’s Sun.”