Brother of The Year

Brother of the Year is a 2018 Thai romantic comedy film co-written and directed by Witthaya Thongyooyong, produced by Jor Kwang Films, and distributed by GDH 559. The film stars Sunny Suwanmethanont, Urassaya Sperbund, and Nichkhun. The film, which depicts a sibling rivalry, was a commercial hit in Thailand, grossing US$2 million during its four-day opening weekend.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.