Jiruntanin Trairattanayon, also known as Mark, is a Thai YouTuber, model, and actor. He was born on June 15, 1997, and made his acting debut in 2022. Since then, he has appeared in various television programs, specials, and dramas, including “Sky in Your Heart” (2022).

Mark Jiruntanin Trairattanayon

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When Siamwit School is faced with financial struggles, administrators decide to merge its two rival high school campuses, forcing students from both sides together despite long-standing animosity. This sets the stage for a fiery reunion between apathetic class leader Saint (Sky Wongravee Nateetorn) and rebellious, hot-headed Shin (Nani Hirunkit Changkham), who were formerly best friends before a violent fallout. Now at the same campus, Saint and Shin's personal feuds bleed into classroom rivalries, forcing school administrators and teachers to attempt to make the two reconcile. Can Saint and Shin find a way to truly resolve their differences and move on from their past, or is their relationship too fractured to ever be repaired? This drama is a remake of the Korean series "School 2013."

High School Frenemy

Cable

Kuafah (Mek Jirakit Thawornwong), a dedicated doctor, finds himself heartbroken after his girlfriend of seven years leaves him for constantly putting his work first. Determined to move on, he later attends her wedding, only to get into a drunken car accident with his friends, Mesa (Arm Weerayut Chansook) and JJ (Mike Chinnarat Siriphongchawalit). Sentenced to community service in a remote village, Kuafah meets Prince (Mark Jiruntanin Trairattanayon), their fiery volunteer leader. Their initial interactions spark unexpected chemistry, and when Kuafah learns that Mesa has feelings for Prince, he must confront his own growing attraction. Caught between loyalty and desire, Kuafah must decide whether to embrace his feelings or remain the friend he’s always been. This 2022 Thai BL drama, based on the novel “Star and Sky” by Peachhplease, was directed by New Siwaj Sawatmaneekul.

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