Ryu Seo-woo is an award-winning best vocalist who tragically died in a plane crash and transmigrated to a BL novel, "Serenade Me, My Angel," which he read out of boredom. He transmigrated into the body of the sub-villain, who shares his name but is a C-list singer with a ruined voice due to throat damage. Living in a decrepit house with his five-year-old triplet sons (Seo-jun, Seo-min, and Seo-jin) who despise him for years of neglect and verbal abuse, Seo-woo is determined to rewrite their lives. The novel's main couple, the stoic CEO Moon Woo-seok and his innocent, angelic singer Jin Yu-jin, are destined for a happy ending. In the original story, Seo-woo's character dies in a fire, leaving his genius triplets to be adopted by the main couple. However, the transmigrated Seo-woo has no intention of dying or letting the original plot play out. Can he win over his sons and forge a new path?

Original Title: Bìn biān bùshì hǎitáng hóng Author: Shuǐ rú tiān er Beiping in 1933 was the busiest city in China. The crowd in this city is different from other places. Not only is it full of flamboyant people and foreigner, but this place is also full of entertainment. Opera Kunqu, Beiping Opera, Qin Drum Player, all the traditional arts you can imagine are on a magnificent stage. Here is also the place where the opera group leader "Shui Yun Tower" and also the actor who is famous for rumors, Shang Xirui, meets with Cheng Fengtai, the Cheng family's second young master from Shanghai. Cheng Fengtai removed the red plum flowers on Shang Xirui's hair and placed them in his own clothes. He smiled, like in a dream, with his eyes half closed, as if he were already inside the Eternal Palace. Shang Xirui sang, "Come here, I will walk with the Second Master." Cheng Fengtai replied, "I will always be with you as long as you want." This is the story of two people who met because the play on stage, the words they express like two lines of poetry. This is the story of "Winter Begonia"