The answer is: "OST song" refers to the song in the OST. OST referred to the original music in movies, TV series, and other film and television works, and the song part was the OST song. According to the search results, some OSTs of movies and television works included some songs, such as the theme song of the TV series OST of " A Thought of Passing Mountains," many of Zhou Shen's OST songs, and Yu Kewei's Top Ten Classic OSTs. Therefore, an OST song referred to the song part of the original music in a film or television work.
The OST lineup for the second season of Celebrating Years had already been announced. Among them, Li Jian sang the theme song " In My Lifetime," Zhou Shen sang the ending song " Excuse me," Liang Long, Liu Duanduan, Zhang Haowei, and Guo Zifan performed the promotional song " Aiya." These songs would bring more musical elements to the second season of " Celebrating Years," adding more emotions and atmosphere to the plot.
The characters in Andou Hiroyuki's visual novels are usually very well - developed. Each character has their own personality, backstory, and goals. This makes them feel like real people rather than just fictional characters. For instance, a character might start off as shy but gradually become more confident as the story progresses. And the relationships between the characters are complex and multi - faceted, adding more depth to the overall story.
As I don't really know his works specifically, but in general, light novels often have simple and easy - to - read language. So perhaps Hiroyuki Hiro's light novels also have this feature, which makes them accessible to a wide range of readers.
The OST lineup of " Celebrating the Second Season " included Li Jian, Zhou Shen, Liang Long, Liu Duanduan, Zhang Haowei, and Guo Zifan. They sang songs such as "In My Lifetime,""Excuse Me," and "Aiya." These songs were meant to continue the story of " Celebrating Years " with a melody and bring a new chapter to the audience. " The Second Season of Celebrating the Year " was an ancient drama adapted from Maoni's novel of the same name. It was starred by Zhang Ruoyun, Li Qin, and many other stars. The second season started filming on November 3, 2022, and was announced to be completed on October 17, 2023. It was aired on CCTV-8's primetime slot on May 16, 2024.
Celebrating Years 2's OST lineup was announced, including Li Jian, Zhou Shen, Liang Long, Liu Duanduan, Zhang Haowei, Guo Zifan, and many other capable singers. Li Jian sang the theme song "In My Lifetime," Zhou Shen sang the ending song "Excuse me," Liang Long, Liu Duanduan, Zhang Haowei, and Guo Zifan sang the promotional song "Aiya." These songs were meant to continue the story of " Celebrating Years 2 " with a melody and bring a new chapter to the audience.
Celebrating Years 2's OST lineup was announced, including Li Jian, Zhou Shen, Liang Long, Liu Duanduan, Zhang Haowei, Guo Zifan, and many other capable singers. Li Jian sang the theme song," In My Lifetime," Zhou Shen sang the ending song," Excuse me," while Liang Long, Liu Duanduan, Zhang Haowei, and Guo Zifan performed a song," Aiya." These songs were meant to continue the story of " Celebrating Years " with a melody and start a new chapter with the audience.