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 JJBA manga is indeed finished. It had a great journey and wrapped up with a satisfying conclusion for fans. However, there's always the possibility of spin-offs or related works in the future.
The definition of unbreakable was that it was firm and tight and could not be destroyed or taken apart. This idiom could also be used to describe a person's firm will or stubborn attitude that could not be shaken. Unbreakable meant that it was exceptionally strong and indestructible. It meant that it was unshakable. It came from Han Yu's 'Stele of the West of the Huai River' in the Tang Dynasty.
Yes, unbreakable was an idiom. It means firm and tight, unable to be destroyed or taken apart. It could also be used to describe a person's firm will or stubborn attitude that could not be shaken. This idiom came from Han Yu's Stele of the West of the Huai River in the Tang Dynasty.