Sin Ending 2 Tombstone Gift

Mysterious kidnapping, weird academy, crazy teacher, weird student. Lu Yiming, who planned to travel after the college entrance examination, was suddenly kidnapped. When he woke up, he found that he was on an undersea high-speed train heading to "Haitian College". Take it as it comes, and when he calmed down the resistance in his heart and accepted it, the guys in the small world began to become restless, and the veil of the mysterious world was slowly opening towards him.