Passerby's Persistence

After time travel, those who can stand beside the professor are either killer assassins with strong martial arts skills, geniuses with invincible minds, or cunning sophists who are also dark creatures. The idea of ​​ordinary college undergraduates wanting to protect the professor is as ridiculous as a martyr. However, he is a lion who is more emotional than rational, and all he can do is work hard regardless of his own safety. This is the first time I plan to write a long story in public... Uh... Please bear with me. Intention: