It depends on your taste. Gantz has some intense action and a complex story, but it can be quite violent and dark for some. If you like that kind of stuff, it's great.
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 'gantz full story' is an intense and captivating story. It begins with people finding themselves in a strange room, the Gantz room. They are then tasked with fighting extraterrestrial creatures in a series of missions. As the story progresses, we see the characters struggle not only with the physical challenges of the battles but also with the moral and psychological implications of their actions. There are complex relationships among the characters, and we also get to see how they adapt to their new, dangerous reality. Some characters grow and become more self - aware, while others are consumed by the chaos. It's a story that combines elements of science fiction, action, and human drama.
The purpose of Gantz in the manga is quite complex. It seems to involve a combination of testing human limits and survival, as well as uncovering hidden aspects of humanity.
The ending of the Gantz manga is quite complex and somewhat open to interpretation. But basically, the main characters face some intense challenges and the story wraps up with a mix of resolutions and loose ends.